Best AI Voice Agents for OpenAI
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Compare the Top AI Voice Agents that integrate with OpenAI as of August 2025
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This a list of AI Voice Agents that integrate with OpenAI. Use the filters on the left to add additional filters for products that have integrations with OpenAI. View the products that work with OpenAI in the table below.
What are AI Voice Agents for OpenAI?
AI voice agents are advanced virtual assistants powered by artificial intelligence that can understand, process, and respond to spoken language in real time. They use natural language processing (NLP) and machine learning to engage in human-like conversations, handling customer service, scheduling, and various automated tasks. These agents can integrate with business systems, providing seamless interactions for users across multiple platforms such as phone calls, chat applications, and smart devices. By continuously learning from interactions, they improve their accuracy and efficiency over time, reducing the need for human intervention. AI voice agents enhance productivity, streamline workflows, and offer businesses a scalable solution for handling customer inquiries and operations. Compare and read user reviews of the best AI Voice Agents for OpenAI currently available using the table below. This list is updated regularly.
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1
Kore.ai
Kore.ai
Kore.ai empowers global brands to maximize the value of AI by providing end-to-end solutions for AI-driven work automation, process optimization, and service enhancement. Its AI agent platform, combined with no-code development tools, enables enterprises to create and deploy intelligent automation at scale. With a flexible, model-agnostic approach that supports various data, cloud, and application environments, Kore.ai offers businesses the freedom to tailor AI solutions to their needs. Trusted by over 500 partners and 400 Fortune 2000 companies, the company plays a key role in shaping AI strategies worldwide. Headquartered in Orlando, Kore.ai operates a global network of offices, including locations in India, the UK, the Middle East, Japan, South Korea, and Europe, and has been recognized as a leader in AI innovation with a strong patent portfolio. -
2
Cognigy.AI
Cognigy
Cognigy is transforming the customer service industry with the most advanced AI Agent platform for enterprise contact centers. Its award-winning solution, Cognigy.AI, empowers enterprises to deliver instant, hyper-personalized, multilingual service on any channel. By integrating Generative and Conversational AI to create Agentic AI, Cognigy delivers AI Agents that redefine customer experiences, drive satisfaction, and support contact center employees in real-time. -Industry-specific pre-trained AI Agents -Multilingual call and chat support (100+ languages) -Seamless integration with existing enterprise systems -Absorbs enterprise knowledge to accurately answer any customer query -Real-time assistance and actionable service insights for human agents Business Impact for our Customers: -30% CSAT improvement -15% shorter average handling time (AHT) -99.5% faster response time -
3
LiveKit
LiveKit
LiveKit is a real-time platform that enables developers to build video, voice, and data capabilities into their applications. Building on WebRTC, it supports a broad range of frontend and backend platforms. LiveKit's network is optimized for ultra-low latency, extreme resiliency, and massive scale. Our team is distributed across the world, and our infrastructure delivers billions of minutes of audio and video every month. LiveKit provides SDK support across all major platforms, allowing you to code your application with a LiveKit client natively designed for your platform of choice. You can self-host LiveKit for free without changing a line of code, as the entire ecosystem of tools and services is Apache 2.0 open source. LiveKit offers a feature-rich platform, including SSO and RBAC for teams, enterprise-grade security with end-to-end encryption, noise and echo cancellation, session recording, stream ingestion, and moderation tools.Starting Price: $50 per month -
4
Answering AI
Answering AI
Answering AI is an advanced AI-driven call-answering service designed to handle your phone calls 24/7, ensuring your customers receive immediate assistance. Setting up your virtual receptionist is straightforward: simply describe how you want calls managed, similar to writing a ChatGPT prompt. The system integrates seamlessly with your existing phone numbers, calendars, and call forwarding settings, enabling the AI to manage scheduling, route complex inquiries to your team, and maintain synchronization across platforms. Answering AI caters to various industries, including small businesses, law offices, online stores, medical practices, creative agencies, SaaS companies, and remote teams. Notable features include a customizable smart call button for your website that adapts to visitor behavior, context intelligence to personalize conversations based on the caller's webpage activity, and intelligent routing to determine when to handle inquiries or involve human experts.Starting Price: $99 per month -
5
Genspark
Genspark
Genspark is an AI-driven platform that empowers users to automate tasks and generate content with ease, including video production, image creation, and deep research. A standout feature is the Genspark Super Agent, which allows users to delegate tasks like selecting the perfect gifts, planning travel, making restaurant reservations, and even conducting detailed market research. Whether you need to create custom visuals, generate insightful reports, or plan complex trips, Genspark's Super Agent and specialized tools streamline the process, making high-quality outputs accessible without technical expertise.Starting Price: Free -
6
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 -
7
ContactSwing
ContactSwing
ContactSwing is an AI Voice Agent that Makes and Answers Calls Like a Human. It is a 24/7 No-code AI Calling Solution for Sales, Operations, and Support. Our smart AI calling system ensures no inquiry goes unanswered, capturing all inbound interest. Our call assistant AI instantly responds to inquiries and sets up meetings, keeping your business running 24/7. Our AI Phone Agent automates routine tasks like follow-ups, scheduling, answering FAQs, etc., saving crucial time. With ContactSwing's AI Agents you can: ✅ Make and Answer Calls 24/7. ✅ Book Appointments Seamlessly. ✅ Follow-up with leads. ✅ Integrate with your CRM/ATS. ✅ Send Bulk SMS with SMS AI Agent. ✅ Respond to emails with Email AI Agent.Starting Price: $25/month -
8
Fluents.ai
Fluents.ai
Fluents.ai offers an AI sales assistant designed to engage leads within seconds using empathetic and intelligent conversational AI. It enables businesses to scale outreach without losing the personal touch, effectively acting as an AI sales representative. It integrates seamlessly with existing software stacks, triggering human-like conversations instantly and capturing key data, answering questions, and facilitating smooth handoffs to human representatives when necessary. Fluents.ai provides real-time dashboards, conversation transcripts, and advanced reporting tools, offering actionable insights to enhance sales strategies. By automating time-consuming tasks such as appointment settings and follow-ups, the AI assistant increases productivity, allowing sales teams to focus on high-value activities. Operating 24/7, ensures no opportunities are missed, contributing to increased revenue. -
9
Hamming
Hamming
Prompt optimization, automated voice testing, monitoring, and more. Test your AI voice agent against 1000s of simulated users in minutes. AI voice agents are hard to get right. A small change in prompts, function call definitions or model providers can cause large changes in LLM outputs. We're the only end-to-end platform that supports you from development to production. You can store, manage, version, and keep your prompts synced with voice infra providers from Hamming. This is 1000x more efficient than testing your voice agents by hand. Use our prompt playground to test LLM outputs on a dataset of inputs. Our LLM judges the quality of generated outputs. Save 80% of manual prompt engineering effort. Go beyond passive monitoring. We actively track and score how users are using your AI app in production and flag cases that need your attention using LLM judges. Easily convert calls and traces into test cases and add them to your golden dataset. -
10
Johnni AI
Johnni AI
Johnni AI is your perfect AI receptionist, ensuring you never miss a call again. This advanced AI-powered virtual receptionist manages your business calls with a human touch, scheduling appointments and summarizing conversations to save you time. Johnni AI integrates seamlessly with your existing systems and software/CRM, handling inquiries, bookings, and calls flawlessly. Custom-built to suit your business needs and requirements, Johnni AI helps you focus on more important tasks by automating call handling. With 24/7 call handling, appointment scheduling, call summarization, and customizable interactions, Johnni AI ensures every customer feels heard and valued. By automating calls, managing bookings, and handling appointments seamlessly, Johnni AI provides your customers with an exceptional experience around the clock.
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