Alternatives to Tunk.ai
Compare Tunk.ai alternatives for your business or organization using the curated list below. SourceForge ranks the best alternatives to Tunk.ai in 2026. Compare features, ratings, user reviews, pricing, and more from Tunk.ai competitors and alternatives in order to make an informed decision for your business.
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1
Telnyx
Telnyx
Telnyx is a global communications infrastructure platform that provides voice, messaging, networking, and AI-powered real-time communication capabilities through a fully owned telecom stack. The platform combines carrier-grade networking, programmable identity systems, AI inference, and low-latency communication infrastructure to support real-time conversational AI agents and enterprise communication workflows. Telnyx owns and operates its entire network stack, including physical infrastructure, mobile core systems, edge processing, and AI compute layers, enabling faster performance and lower latency without relying on third-party telecom providers. The platform offers tools such as voice agent builders, speech-to-text, text-to-speech, global phone numbers, AI orchestration, and programmable compliance controls for building intelligent voice and messaging systems. -
2
Retell AI
Retell AI
Retell AI is an advanced platform that enables businesses to build, test, deploy, and monitor AI-powered voice agents for seamless customer interactions. With features like call transfer, appointment scheduling, and knowledge base synchronization, it allows for the creation of lifelike conversations with minimal latency. The platform supports integration with various telephony systems and offers multilingual capabilities, making it suitable for global operations. Retell AI's scalable infrastructure ensures reliable performance, handling high call volumes efficiently. Additionally, it provides robust monitoring tools to analyze call performance and user sentiment, facilitating continuous improvement of voice agents. -
3
ECHO by Zencia AI
Zencia AI
ECHO by Zencia is a SaaS platform for building, deploying, and managing production-ready AI voice agents. Create AI receptionists, sales agents, customer support assistants, recruiters, or custom AI voice employees without the complexity of integrating telephony, speech-to-text, large language models, text-to-speech, and workflow automation from scratch. ECHO combines persistent memory, custom knowledge bases, knowledge-gap detection, and intelligent workflows to deliver natural, context-aware voice conversations. Connect your CRM, calendars, and business tools to automate inbound and outbound calls, qualify leads, schedule appointments, answer customer queries, and execute business actions from a single dashboard. With multilingual support, analytics, call history, and centralized agent management, ECHO enables startups, SMBs, and enterprises to deploy scalable Voice AI that remembers context, takes action, and helps automate business communication. -
4
Dograh
Dograh
Dograh is an open source, self-hostable voice agent platform with a no-code workflow builder for creating production voice agents. Teams can choose their own inbound channels, speech-to-text, LLM, text-to-speech, and telephony providers, or replace the traditional cascade with speech-to-speech models for direct audio-in, audio-out conversations with natural turn-taking, interruption handling, and low latency. The platform supports inbound and outbound calling, widgets, telephony integrations, observability, traces, real-time analytics, hybrid pre-recorded voice plus TTS, and more than 70 languages. Its MCP server lets Claude Code, Cursor, OpenClaw, Codex, and other agent runtimes create, modify, and deploy voice agents directly from development environments. Dograh can run on your own servers, inside a private cloud or VPC, or in a managed environment, with support for models hosted entirely within your perimeter.Starting Price: 1¢ per minute -
5
VoiceBun
VoiceBun
VoiceBun is an open source, no-code voice-agent builder that lets you create, configure, and deploy AI-powered conversational assistants entirely via natural-language prompts. It combines speech-to-text, large-language models, and text-to-speech into a unified platform where you define your agent’s goals, initial greeting, tool integrations and data sources; VoiceBun automatically generates the underlying conversational logic, state management and API connectors needed to handle inbound and outbound calls for support, scheduling, lead qualification and more. The web-based interface gives you mobile-friendly access and isolated deployments through user-specific subdomains, while built-in analytics surface call transcripts, usage metrics, success rates, and sentiment trends. Integration includes options for telephony, webhook actions for external workflows, and role-based access controls with encrypted credentials for enterprise security.Starting Price: $20 per month -
6
Grok Voice Agent Builder
SpaceXAI
Grok Voice Agent Builder is xAI’s no-code platform for configuring production voice agents on Grok Voice in under two minutes. It is built for operators and developers who want high-volume voice agents without building the surrounding stack from scratch, bringing telephony, knowledge retrieval, tools, guardrails, MCPs, and observability into one place. Instead of stitching together separate speech-to-text, language model, and text-to-speech APIs, Voice Agent Builder uses one interface on a speech-to-speech path built for Grok Voice, tightly coupled to the model rather than assembled from three different systems. Users can write a plain-language description of how calls should flow, attach documents, connect tools, set guardrails, and move quickly from zero to a working agent. It can retrieve from uploaded knowledge bases in common formats such as plain text, Markdown, Word, PowerPoint, Excel, HTML, JSON, and others.Starting Price: $30 per month -
7
FonadaLabs
FonadaLabs
FonadaLabs is a voice AI platform that provides enterprise-grade infrastructure and APIs for building voice agents on Indian telephony networks. The platform offers a complete voice pipeline that includes telephony hosting, noise cancellation, speech recognition, voice models, and text-to-speech capabilities within a unified API environment. FonadaLabs supports over 23 Indian languages with speech recognition optimized for regional accents and telephony use cases. The platform enables real-time voice streaming with ultra-low latency, enterprise security, and India-based data residency for compliance and sovereignty requirements. Businesses can also leverage specialized voice agent language models, tool-calling support, and natural-sounding Indian voice generation for customer interactions and automation.Starting Price: $5 -
8
Boson AI
Boson AI
Boson AI provides voice agents powered by foundation audio models, built to run in business workflows and learn from every call. Higgs Realtime enables live voice agents for support lines, sales calls, and product assistants that listen, reason, call tools, and respond in real time with low latency and natural speech-to-speech interaction. Higgs Audio and Avatar extend these capabilities with text-to-speech, speech-to-text, voice cloning, sentiment detection, and avatar generation, producing natural speech while understanding tone, emotion, and intent. The models support high-accuracy multilingual speech recognition, real-time translation, and expressive voice generation, while sentiment signals can improve routing, analytics, and context-aware agent behavior. Designed for real-world production, the platform emphasizes quality, latency, reliability, and flexible deployment across managed and self-serve environments. -
9
Intervo.ai
Intervo.ai
Intervo is an open source, enterprise-grade voice and chat AI agent platform designed to automate real-time customer interactions across voice and text channels. It allows businesses to build, train, and deploy custom agents in minutes without code; you define the agent’s purpose, upload domain knowledge (documents, files), choose a voice engine (e.g., ElevenLabs, Azure), and publish it to embedded channels. Its agents support use cases like lead qualification, customer support, AI receptionist/scheduling, interactive product assistance, and internal help agents (for HR, IT, etc.). They can integrate with telephony via Twilio, connect to multiple LLM backends (OpenAI, Claude, Gemini), orchestrate AI workflows, and embed on websites as widgets. It emphasizes scalability, compliance, and flexibility, letting organizations embed context-aware conversational agents that understand complex queries, route calls, and interact via speech or chat.Starting Price: $10 per month -
10
ElevenAgents
ElevenLabs
ElevenLabs Agents is a platform for building, deploying, and scaling intelligent conversational AI agents that can speak, type, and take action across phone, web, and application environments. It enables developers and teams to create real-time agents that interact naturally with users through voice and text, combining speech-to-text, large language models, and text-to-speech into a unified system that functions like a human conversation partner. It allows agents to resolve customer issues, automate workflows, answer questions, and execute tasks based on connected data sources and predefined logic, making interactions both accurate and context-aware. These agents can be customized with knowledge bases, system prompts, and tools that enable them to access external systems, execute custom logic, and perform actions beyond simple responses. They support multimodal capabilities, meaning they can read, speak, and interpret inputs while handling conversational dynamics.Starting Price: $5 per month -
11
Vocode
Vocode
Vocode is an open source library that simplifies the creation of voice-based applications leveraging large language models. Developers can build real-time streaming conversations with LLMs and deploy them to phone calls, Zoom meetings, and more. Vocode provides easy abstractions and integrations so that everything you need is in a single library. It offers out-of-the-box integrations with leading speech-to-text and text-to-speech providers, including AssemblyAI, Deepgram, Google Cloud, Microsoft Azure, and Whisper. The platform supports cross-platform deployment across telephony, web, and Zoom, enabling applications like LLM-powered phone calls, personal assistants, and voice-based games. Vocode's modular design allows for seamless integration of various AI models and services, providing developers with the flexibility to choose the best components for their applications. The platform also supports multilingual capabilities.Starting Price: Free -
12
AvaritCall
Avarit.ai
AvaritCall is an AI voice agent platform for automating inbound and outbound business calls. It enables businesses to automate customer support, sales, lead qualification, appointment scheduling, reminders, confirmations, and other call center workflows. AvaritCall supports 70+ languages, integrates with CRM, ERP, e-commerce, and other business systems through APIs, and uses proprietary real-time voice orchestration and telephony infrastructure to deliver fast, natural AI phone conversations.Starting Price: $0.08 -
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UnlimCall
UnlimCall
UnlimCall is an AI-powered voice automation platform that helps businesses automate phone-based customer interactions using intelligent voice agents. The platform supports both inbound and outbound calling for lead qualification, appointment scheduling, customer support, follow-ups, surveys, and sales outreach. UnlimCall combines conversational AI, telephony infrastructure, call routing, call recording, analytics, and workflow automation in a single solution. AI voice agents can engage in natural conversations, answer questions, collect information, transfer calls to human agents, and integrate with external systems through APIs and webhooks. Key features include automated outbound calling, call recording, conversation analytics, SIP connectivity, CRM integrations, reporting dashboards, and developer APIs. UnlimCall helps organizations scale customer communications, improve operational efficiency, and deliver consistent customer experiences through AI-powered voice interactions.Starting Price: $396/month -
14
Google has released updated Gemini audio models that significantly expand the platform’s capabilities for natural, expressive voice interactions and real-time conversational AI with the introduction of Gemini 2.5 Flash Native Audio and improved text-to-speech technology. The updated native audio model powers live voice agents that can handle complex workflows, follow detailed user instructions more reliably, and maintain smoother multi-turn conversations by better recalling context from previous turns. It is now available across Google AI Studio,Gemini Enterprise Agent Platform, Gemini Live, and Search Live, enabling developers and products to build interactive voice experiences such as intelligent assistants and enterprise voice agents. In addition to the real-time voice improvements, Google enhanced the underlying Text-to-Speech (TTS) models in the Gemini 2.5 family to offer greater expressivity, tone control, pacing adjustments, and multilingual support.
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15
OpenAI Realtime API
OpenAI
The OpenAI Realtime API is a newly introduced API, announced in 2024, that allows developers to create applications that facilitate real-time, low-latency interactions, such as speech-to-speech conversations. This API is designed for use cases like customer support agents, AI voice assistants, and language learning apps. Unlike previous implementations that required multiple models for speech recognition and text-to-speech conversion, the Realtime API handles these processes seamlessly in one call, enabling applications to handle voice interactions much faster and with more natural flow. -
16
Vision Agents
Stream
Vision Agents is an open source Python framework for building low-latency voice and video AI agents with any model. It lets developers plug in LLM, speech, and vision models from more than 25 providers and ship real-time agents for telehealth, voice support, live coaching, video analysis, interactive avatars, security monitoring, sports commentary, and other multimodal applications. It is designed to help teams build agents that can listen, speak, see, process media, call tools, and respond in real time while running on Stream’s global edge network with sub-500ms latency. Developers can build a first agent in minutes, using a small Python setup with Gemini Realtime, OpenAI, Deepgram, ElevenLabs, Stream, or other supported providers. Vision Agents supports both real-time speech-to-speech models and custom STT/LLM/TTS pipelines, giving teams either the fastest path to a working voice agent or full control over speech recognition, language reasoning, text-to-speech, etc.Starting Price: Free -
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OmniDimension
OmniDimension
OmniDimension is a Conversational AI platform that helps businesses automate customer conversations across voice, web, and WhatsApp. Users can create AI voice agents for lead generation, appointment booking, customer support, collections, outbound calling, and inbound call handling without coding. The platform includes built-in telephony, AI-powered outbound campaigns, CRM integrations, workflow automation, knowledge base support, multilingual conversations, and real-time analytics. Businesses can connect tools like HubSpot, Salesforce, Google Calendar, Slack, Zapier, Make, n8n, and custom APIs to automate customer interactions and business workflows. OmniDimension enables organizations to deploy AI agents in minutes, scale customer engagement 24/7, and improve response times while reducing operational costs. -
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OttrCall
OttrCall
OttrCall is an AI-powered outbound voice calling platform built for modern sales and operations teams. Our natural-sounding voice agents can automate cold calls, follow-ups, appointment reminders, lead qualification, and more — no manual dialing, no burnout. OttrCall helps small to mid-sized businesses streamline outbound workflows across industries like real estate, finance, hospitality, and healthcare. With quick setup, multi-stage pipeline support, and real-time call summaries, OttrCall replaces traditional call centers with always-on, cost-efficient automation. Whether you're nurturing leads or re-engaging dormant customers, OttrCall delivers consistent, scalable conversations — without sounding like a bot. 💡 Highlights: -AI voice agents for outbound calls -No-code setup with full call automation -Human-like speech, not robotic -Ideal for sales, ops, and support teams -Real-time summaries and CRM-ready dataStarting Price: $150/month/1000 minutes -
19
GoodBox AI
GoodBox AI
Goodbox.ai is an enterprise AI automation platform that enables businesses to deploy AI Voice, AI Chat, and AI Recruitment Agents for customer engagement, sales, support, recruitment, and business operations. The no-code platform delivers multilingual, human-like conversations across phone, web, WhatsApp, and other digital channels. It automates lead qualification, customer onboarding, appointment scheduling, customer support, collections, claims assistance, policy servicing, recruitment screening, interview scheduling, and workflow automation. Goodbox.ai integrates with CRM, ATS, telephony, ERP, messaging platforms, and APIs for seamless business process automation. The platform serves Banking, Financial Services & Insurance (BFSI), Insurance, Real Estate, Retail, Healthcare, E-commerce, Hospitality, Education, Logistics, and other industries with analytics, conversation intelligence, and enterprise-grade security. -
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Ori
Ori
Ori is an enterprise-grade generative-AI platform built to automate and scale customer interactions across voice, chat, email, and messaging channels, with full compliance, auditability, and multilingual support. It delivers AI-powered chatbots and voice bots capable of handling the full customer journey; lead qualification, conversational sales, onboarding, customer support, collections, renewals, and retention. Its core features include multilingual and omnichannel support, intelligent conversation flows with context awareness and sentiment detection, real-time compliance and script adherence (for regulated industries like finance and insurance), full audit trails, and seamless handoffs to human agents when needed. It supports voice-based conversations (speech recognition, natural-language responses), chat/text conversations, email responders, and hybrid bot-plus-live-agent workflows. -
21
Sarj AI
Sarj AI
Sarj AI is a KSA-based voice-agent platform that automates complex, multi-step interactions. Its Arabic-first voice and chat AI agents sell, collect payments, schedule appointments, qualify leads, provide customer support, and trigger workflows across CRM, banking, healthcare, billing, telephony, and messaging systems. Sarj supports nine Arabic dialects, enterprise security and data-residency requirements, SaaS and on-premise deployment, document intelligence, workflow automation, and large-scale outbound campaigns. -
22
Krybe
Krybe
Krybe is an AI-powered platform offering cutting-edge voice and transcription solutions, including voice agents and speech AI, designed to transform noise into actionable insights for businesses and individuals. Users can experience 60 minutes of free transcription and process up to 5,000 characters of text without requiring a credit card, with the flexibility to cancel anytime. Krybe's services are tailored to maintain a unique brand voice across platforms, facilitating narration, automation, and personalization. The platform aims to streamline workflows, enhance productivity, and enable effortless scaling for its users. Krybe's voice agents are designed to integrate seamlessly with existing systems, functioning like real human assistants to automate business processes. Listen to a real customer service interaction handled seamlessly by our AI voice agent. Effortlessly convert speech to text in real-time, ensuring you never miss a detail while staying fully engaged in discussions.Starting Price: $13 per month -
23
Aethex
Aethex
AethexAI is the voice AI stack for emerging markets, built for end-to-end voice agents localized for your market. It brings together infrastructure, models, and deployment in one environment, with proprietary Kora 1 models trained on real conversational speech and human-labeled data across emerging markets. The Kora 1 Engine is designed for real speech, native tool calling, workflow-aware routing, dedicated infrastructure, dialect-aware interactions, and sub-500ms turn-taking. Teams can design, deploy, and manage voice agents that handle calls, messages, and workflows across support, sales, onboarding, and collections, integrated with the systems they already run. It moves from hello to resolution, with agents that can read and write data, trigger actions, and close loops inside existing systems rather than alongside them. Agent Studio lets users design conversation flows, set guardrails, configure personas, and build inbound or outbound agents with no code required.Starting Price: $3 per month -
24
Prosper AI
Prosper AI
Prosper AI is a voice agent for healthcare, built for patient access and revenue cycle management. Its voice agents handle both patient and payor phone calls, including scheduling, benefits, patient billing, claim status, appointment reminders, intake, re-engagement, and prior authorization initiation and follow-up. Built on battle-tested Blueprints, Prosper AI’s agents are ready to deploy and already trained on the calls that matter most. Unlike voice AI that handles only one part of the problem, Prosper AI supports the entire patient journey in one end-to-end platform, replacing separate vendors for scheduling, benefits verification, and patient billing with fully automated workflows. Patient calls are handled with no menus and no hold times; Gen 3 agents understand natural speech, manage mid-call topic changes, answer questions, schedule, reschedule, cancel, collect intake and insurance details, and update the PMS or EHR directly. -
25
Botcadence
Botcadence
Botcadence is an AI customer engagement platform that enables businesses to build and deploy AI voice and chat agents for sales, marketing, customer support, and lead generation. It supports WhatsApp Business, website chat, and voice channels, including inbound and outbound calling. Businesses can automate lead capture, qualification, customer conversations, product and service inquiries, follow-ups, appointment scheduling, reminders, campaigns, and human handoffs. Voice agents can handle inbound calls, qualify callers, route conversations, conduct outbound campaigns, and perform automated follow-ups using multilingual AI voices. WhatsApp capabilities include business messaging, templates, campaigns, automated conversations, and lead engagement. Botcadence also provides conversation analytics, call history, campaign management, sentiment analysis, spam detection, retry and follow-up workflows, CRM/helpdesk integrations, and knowledge-based AI agents trained on business documentation.Starting Price: $0 -
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AgentVoice
AgentVoice
AgentVoice is a platform for building AI‑powered voice agents that can make and answer phone calls and take meaningful actions, like booking meetings, sending texts, and updating CRMs, without requiring a developer. Each call flows through speech recognition to transcribe what’s said, a large language model to determine what to say and do, and an AI‑generated voice to respond naturally. Our agents don’t just respond, they execute tasks during or after the call using real data, memory, and tool access. You can create no‑code workflows that update CRMs, schedule meetings, send follow‑ups, screen leads, handle voicemails, or filter spam calls, all in the same call. Setup is fast, you can create and launch a working agent in less than 30 minutes, using no code: define your agent, choose a voice, connect your tools via 200+ native integrations, low‑code options, or a robust API and webhooks, then upload or generate a script.Starting Price: $50 per month -
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Feather
Feather
Feather is an AI-powered voice agent platform that lets businesses create, customize, deploy, and manage intelligent phone call automation that sounds human and handles real tasks at scale, supporting both inbound and outbound calling with context-aware memory, multilingual understanding, seamless warm handoffs to humans, and native telephony essentials like hold music and voicemail detection; its agents can access company knowledge bases for accurate answers, integrate with calendars and CRMs, book appointments, follow up on leads, and automate repetitive communication workflows so teams never miss opportunities and can focus on higher-value work. Built for production-grade reliability and enterprise use, Feather includes observability and quality testing tools to ensure consistent call performance, supports integrations via APIs and webhooks, and can be white-labeled for agencies and software providers while meeting compliance and data-security standards. -
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Kipps.AI
Kipps.AI
Kipps.AI is an enterprise-grade platform for building and deploying AI agents, voice, chat, and WhatsApp that can handle millions of conversations with human-like intelligence and enterprise-scale reliability. It enables organizations to deploy custom agents for lead qualification, booking appointments, customer support, and more, with integrations into CRM systems, telephony platforms, and other business tools. It supports 100 + pre-built integrations such as Salesforce, HubSpot, WhatsApp, Slack, and Zoom; features include detailed analytics (model- and agent-level usage), conversation transcription, real-time call-streaming, sentiment detection, routing to human agents when needed, and enterprise-grade security with SOC 2 Type II, ISO 27001, HIPAA-ready, PCI DSS Level 1, and zero-data-retention options. -
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mrmr
mrmr
mrmr is a voice-first AI agent for Mac. Press one shortcut and talk, and it takes real action across the apps you already work in. This is speech-to-action, not speech-to-text. Ask it to create a Linear ticket, post the link in a Slack channel, and add a calendar follow-up, and it does all three in one conversation. mrmr chains multi-step workflows, resolves your channels, teammates, and projects automatically, and confirms anything before it sends or changes it. It connects to Slack, Linear, Google Calendar, Google Tasks, Google Meet, Zoom, Notion, Gmail, Cal.com, Calendly, Attio, and GitHub through real app APIs, plus Apple Reminders. It also searches your Mac files and browser history, runs cited web search, runs your own scripts by voice, and delegates to background sub-agents. mrmr also handles fast dictation in around 60 languages, but the focus is doing, not typing. A voice-first alternative to Siri, Wispr Flow, and Superwhisper. Currently in private beta.Starting Price: Free -
30
EBoo
EBoo.ai
EBoo is a real-time AI voice platform that enables businesses to build, deploy, and manage intelligent voice agents for customer support, sales, and operational use cases. The platform automates voice-based interactions such as inbound customer queries, outbound follow-ups, lead qualification, appointment scheduling, and routine operational calls with natural, human-like conversations. EBoo allows teams to design and customize AI voice agents based on their specific workflows and business needs. It integrates seamlessly with existing systems and tools, enabling smooth data exchange and automated actions during live calls. The platform is built for scalability, ensuring reliable performance even at high call volumes.Starting Price: $49/month -
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Higgs Audio / Avatar
Boson AI
Higgs Audio / Avatar is a family of foundation audio and avatar models designed to generate natural speech, understand tone, emotion, and intent, and give voice interactions a visual presence. The models support text-to-speech, speech-to-text, avatar generation, and automatic voice casting that selects an appropriate voice based on context, sentiment, and content. Built for real-world production, Higgs combines expressive generation, robust speech understanding, and flexible deployment for workloads where quality, latency, and reliability matter. High-accuracy multilingual speech recognition supports major languages, while voice cloning reproduces a speaker’s tone from short reference samples to maintain consistent brand voices across interactions. Sentiment detection reads emotional signals in speech to enable smarter routing, stronger analytics, and more context-aware agent behavior. -
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Revmo
Revmo
Revmo AI is an AI voice agent platform that automates call handling, reservations, and waitlist management across multiple industries, including restaurants, automotive, home services, and healthcare, to ensure no customer interaction is missed. It integrates with your existing systems and is trained to respond like a human, handling complex inquiries such as order taking, appointment booking, and FAQs. The system supports 24/7 operation, multilingual conversations in over 76 languages, and scales across locations to maintain a consistent brand experience everywhere. Revmo positions itself as a revenue-driving tool; it captures missed calls, converts reservations, and frees staff from manual follow-up work. Its workflow is designed to be simple; launch the agent, integrate with your business tools, and let it engage automatically, while delivering analytics and brand-level orchestration across channels like voice, text, and email.Starting Price: $0.59 per conversation -
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Vogent
Vogent
Vogent is an all-in-one platform for building humanlike, intelligent, and effective voice agents. It offers a highly authentic, low-latency live voice AI capable of making phone calls up to one hour long and executing follow-up tasks. Vogent automates calls in industries such as healthcare, construction, logistics, and travel. The platform provides a custom end-to-end pipeline for transcription, reasoning, and speech, resulting in extremely low latency and humanlike conversations. Vogent's in-house language models have been trained on millions of phone conversations across hundreds of different task types, performing as well as human agents when prompted or fine-tuned with minimal examples. Developers can dispatch thousands of calls with a few lines of code and automate downstream workflows based on outcomes. The platform supports REST and GraphQL APIs, and offers a no-code dashboard for creating agents, uploading knowledge bases, tracking dials, and exporting transcripts.Starting Price: 9¢ per minute -
34
smallest.ai
smallest.ai
Smallest.ai is a real-time AI platform designed to deliver hyper-personalized voice experiences with minimal latency and high scalability. Its flagship products, Waves and Atoms, enable users to generate human-like AI voices and deploy real-time AI agents for customer interactions. Waves offers ultra-realistic text-to-speech capabilities, supporting over 30 languages and 100 accents, with sub-100ms API latency for instant voice generation. It also features instant voice cloning, allowing users to replicate any voice with just a 5-second audio sample, making it ideal for personalized branding and content creation. Atoms provides AI agents capable of handling customer calls, offering seamless, natural-sounding conversations without human intervention. Both products are designed for easy integration, offering scalable APIs and Python SDKs to facilitate deployment across various platforms.Starting Price: $5 per month -
35
Gemini Audio
Google
Gemini Audio is a set of advanced real-time audio models built on Gemini's architecture, designed to enable natural, fluid voice interaction and expressive audio generation through simple language prompts. It supports conversational experiences where users can speak, listen, and interact with AI in a seamless loop, combining understanding, reasoning, and response generation in audio form. It is capable of both analyzing and generating audio, allowing applications such as speech-to-text transcription, translation, speaker identification, emotion detection, and detailed audio content analysis. They are optimized for low-latency, real-time use cases, making them suitable for live assistants, voice agents, and interactive systems that require continuous, multi-turn dialogue. Gemini Audio also integrates advanced capabilities like function calling, enabling the model to trigger external tools and incorporate real-time data into responses.Starting Price: Free -
36
aiOla
aiOla
aiOla is a deep tech Conversational, Voice, and Speech AI lab with an enterprise-level automatic speech recognition (ASR) foundation model, Text-to-speech (TTS) technology and Natural Language Understanding (NLU). It’s designed to help enterprises and developers adapt speech technologies to any process, whether through seamless API integration or an intuitive in-house app. aiOla is revolutionizing enterprise operations with enterprise level Conversational AI. We specialize in speech-to-text and text-to-speech AI that deliver unmatched accuracy (95%), specialized in specific jargon, in any language, accent, vertical, or acoustic environment. From empowering frontline workers with hands-free workflows to enabling voice AI agents with enterprise-grade ASR and TTS, aiOla seamlessly integrates into workflows, internal apps and products. -
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Sarvam Samvaad
Sarvam
Sarvam Conversational Agents (Sarvam Samvaad) is an enterprise-grade conversational AI platform designed to help organizations build, deploy, and scale intelligent, human-like agents across multiple communication channels. It enables businesses to run voice calls, WhatsApp conversations, in-app chat, and web interactions from a single unified system, maintaining the same agent context and memory regardless of where the interaction occurs. It integrates deeply with enterprise systems such as CRM, core banking, and payment infrastructure, allowing agents to pull real-time customer data, execute workflows, and push outcomes back into business systems automatically. It supports multilingual communication, particularly across Indian languages, enabling agents to understand complex phrases, colloquial speech, alphanumeric inputs, and proper nouns with high accuracy. It is built for production environments, allowing enterprises to quickly move from pilot to full deployment. -
38
Taalk
Taalk
Taalk.ai is an advanced conversational AI platform designed to enhance customer engagement through AI-powered agents capable of managing voice calls and text messages. These agents facilitate various business functions, including lead qualification, appointment scheduling, debt collection, and pricing quotations. Key features of Taalk.ai include compliance-first interaction recording, live call transfers, omni-channel engagements across phone calls, SMS, email, and voicemail, a native predictive dialer, and multilingual support. The platform utilizes proprietary language models with continuous updates and incorporates humanization techniques, such as authentic background noise, to ensure natural and responsive interactions. Taalk.ai is designed for scalability, capable of handling millions of concurrent engagements, and offers seamless integration with existing business systems to automate workflows like booking appointments and data lookup.Starting Price: $10,800 per year -
39
Grok Speech to Text (STT)
SpaceXAI
Grok Speech to Text is a standalone audio API built to help developers integrate fast, accurate transcription into any application. Built on the same stack that powers Grok Voice, Tesla vehicles, and Starlink customer support, the API is designed for use cases such as voice agents, real-time transcription tools, accessibility solutions, podcasts, meeting capture, telephony, and interactive audio experiences. Grok STT can generate transcripts from large audio files through a REST API or transcribe speech in real time through a low-latency WebSocket API. It includes word-level timestamps, speaker diarization, multichannel support, and intelligent Inverse Text Normalization that converts spoken language into properly formatted structured output for numbers, dates, currencies, and more. Grok Speech to Text is evaluated across phone calls, meetings, video and podcast content, and telephony, with strong performance in entity recognition and business use cases. -
40
Amazon Nova Sonic
Amazon
Amazon Nova Sonic is a state-of-the-art speech-to-speech model that delivers real-time, human-like voice conversations with industry-leading price performance. It unifies speech understanding and generation into a single model, enabling developers to create natural, expressive conversational AI experiences with low latency. Nova Sonic adapts its responses based on the prosody of input speech, such as pace and timbre, resulting in more natural dialogue. It supports function calling and agentic workflows to interact with external services and APIs, including knowledge grounding with enterprise data using Retrieval-Augmented Generation (RAG). It provides robust speech understanding for American and British English across various speaking styles and acoustic conditions, with additional languages coming soon. Nova Sonic handles user interruptions gracefully without dropping conversational context and is robust to background noise. -
41
Anam
Anam
Anam is a platform for building interactive AI avatars for real-time video conversations. Each persona combines a face, voice, language model, system prompt, knowledge, and tools, allowing it to listen, respond, and perform actions in live conversations. Teams can create an agent from scratch or add a face to an existing one for support, sales, lead qualification, language tutoring, skills training, onboarding, and medical front-desk assistance. Anam’s Turnkey pipeline handles speech recognition, LLM responses, text-to-speech, face generation, and WebRTC delivery, while developers can bring their own LLM, speech-to-text, or voice system, or stream audio for face generation only. Its CARA-4 model controls every pixel in real time, generating photorealistic rendering, natural head movement, micro-expressions, and emotion that follows the tone of speech. Director Notes let builders guide an avatar’s performance with presets or instructions and adjust expressivity.Starting Price: $12 per month -
42
Voicing AI
Voicing AI
Voicing AI is an enterprise-grade agentic voice AI platform designed to automate customer interactions through humanlike voice agents that can both converse and take real-time actions during calls. It enables businesses to handle inbound and outbound phone calls 24/7 using AI agents that understand queries, respond naturally, and execute tasks such as updating CRM systems, retrieving data, or completing workflows without human intervention. It is built around proprietary “large action models” that allow agents not only to communicate but also to perform operations across integrated systems, significantly accelerating task execution. It supports multilingual conversations in over 20–30 languages and incorporates high emotional and contextual intelligence to handle complex customer interactions with accuracy and empathy. -
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Leaping AI
Leaping AI
Leaping AI creates voice agents for businesses with high call volumes (>100k calls a year). Our voice AI agents are human-like, handle complex workflows, and automate up to 70% of customer support calls while maintaining 90% customer satisfaction. They get better over time. Our platform allows the deployment of powerful human-like voice AI agents for any customer support and sales support use case. There is a simple user interface to set up multi-stage agents with simple English prompt instructions for behavior and transitions. Agents can speak in multiple languages (English, German, Spanish, Arabic, etc.) and be plugged into your infrastructure with API connectors. All the calls are recorded and can be listened to and analyzed in our platform.Starting Price: $1000/month -
44
KugelAudio
KugelAudio
KugelAudio is the most realistic speech AI platform, combining text-to-speech, speech-to-text, and voice-to-voice in one stack. With 39-50ms inference latency (lowest on the market), 30-second voice cloning, on-premises deployment, and industry-leading accuracy on email addresses, IBANs, and phone numbers, it's built for production voice applications where quality and compliance matter. It's a strong fit for voice bots and conversational agents that need to handle structured data without misreads, real-time applications requiring sub-50ms latency, and regulated industries like banking, insurance, healthcare, and the public sector that need on-premises or EU-sovereign deployment. Beyond enterprise voice automation, KugelAudio also powers branded voice experiences through natural cloning from 30 seconds of audio, multilingual products across over 30 languages German, English, French, and Italian, and media or content production needing the most realistic synthetic voices available.Starting Price: $1 -
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EchoLeads
EchoLeads.ai
EchoLeads is an AI voice sales platform that deploys intelligent AI voice agents to automate outbound calling, lead qualification, and appointment scheduling. Built for modern revenue teams, the platform combines AI cold calling software, AI SDR automation, and real-time AI call automation to engage prospects at scale. From first contact to booked meetings, EchoLeads enables businesses to run fully automated voice AI for sales workflows that generate leads, nurture prospects, and accelerate pipeline growth.Starting Price: $60/month -
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Azure Voice Live API
Microsoft
Azure Voice Live API is a fully managed solution for building low-latency, high-quality speech-to-speech agents through one unified interface. It combines speech recognition, generative AI, and text-to-speech, allowing developers to send audio input and receive audio output, synchronized avatar visuals, and action triggers without manually orchestrating separate backend components or deploying the underlying models. It supports more than 140 speech-to-text locales and over 600 standard voices across 150+ text-to-speech locales, with options for phrase lists, custom speech, custom voices, and brand-aligned avatars. Developers can choose among multiple generative AI models, including GPT-Realtime, GPT-5, GPT-4.1, GPT-4o, Phi, and compatible bring-your-own models, depending on the intelligence, speed, and latency required. Advanced conversational features include noise suppression, echo cancellation, robust interruption detection, and end-of-turn detection. -
47
Ringg AI
Ringg AI
Ringg AI is a no-code platform that enables businesses to create, deploy, and manage AI-powered voice agents capable of handling phone-based interactions at scale. It allows organizations to automate both inbound and outbound calls, including use cases such as lead qualification, customer support, appointment booking, recruitment, and payment follow-ups, while maintaining natural, human-like conversations. It supports real-time, multilingual communication across more than 20 languages, enabling companies to engage customers globally with low latency and high accuracy. It provides a complete system for building conversational workflows, including tools to design call scripts, launch campaigns, manage phone numbers, and analyze performance through detailed transcripts and analytics dashboards. Ringg AI integrates with existing business tools such as CRMs, calendars, and communication platforms, allowing seamless synchronization of customer data and workflows.Starting Price: $0.10 per minute -
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OpenText CX-E Voice
OpenText
Deployed on-premises or in the Cloud, CX-E offers seamless integration with all major communications platforms – Avaya, Cisco, Microsoft, Mitel, NEC and more – complimenting any telephony and email infrastructure. Industry-leading functionality with end-to-end voice message encryption. Mobile application, single number reach, smart call forwarding, separated business & personal communications, inbound call screening, mobile number protection, and more. Ties together voicemail, email, and fax into one inbox. Text-to-speech, voicemail transcription, and secure messaging available. Speech enabled, hands-free/ eyes-free access to calendar, email, fax, and voicemail. Federated presence to calendar to play an informative personal greeting. Supports multiple attendants, speech-recognition interfaces, greetings for different departments, multilingual interfaces, scheduled messages, and more. Perform customized automated outreach via telephone calls or text messages. -
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Flip
Flip
Flip CX is a voice AI platform that transforms traditional customer support phone channels by automating inbound calls with an Alexa-like conversational experience designed to resolve simple, repetitive customer requests without human agents. It specializes in industries with heavy call volumes, such as retail ecommerce, healthcare, and transportation, automating common inquiries like order status, returns, scheduling, billing questions, ride bookings, and more, and reducing missed calls and hold times. It arrives with preconfigured AI workflows and integrations, eliminating the need for coding or building call flows, and can be deployed quickly with tools that analyze existing call patterns (“Listen Mode”) and then activate automation intents based on real data. Flip integrates with existing telephony and CRM systems, supports over 80 native integrations, and offers analytics for customer satisfaction and revenue insights. -
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Awaz
Awaz
Awaz is a no-code AI platform designed to automate phone calls, allowing businesses to create human-like AI voice agents that can handle both inbound and outbound calls. These AI agents can book meetings, conduct interviews, make cold calls, offer customer support, and automate follow-ups, all 24/7. The platform allows users to easily configure AI agents, set their tasks, and integrate them with tools like SMS, emails, WhatsApp, and calendar systems. Awaz also provides advanced features like sentiment analysis, diarization, and voice customization, enabling businesses to enhance customer experiences. The AI agents can be trained with custom data to improve performance over time, ensuring calls are personalized and efficient. With the ability to engage customers in over 30 languages, Awaz helps scale communication efforts, reduce reliance on human agents, and automate repetitive tasks, making it an ideal tool for lead qualification, appointment scheduling, and customer support.Starting Price: $29 per month
