OpenAI Realtime API vs. Speechmatics Comparison


OpenAI Realtime API OpenAI	Speechmatics	+	+
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		Related Products Google Cloud Speech-to-Text Google Cloud’s Speech API processes more than 1 billion voice minutes per month with close to human levels of understanding for many commonly spoken languages. Powered by the best of Google's AI research and technology, Google Cloud's Speech-to-Text API helps you accurately transcribe speech into text in 73 languages and 137 different local variants. Leverage Google’s most advanced deep learning neural network algorithms for automatic speech recognition (ASR) and deploy ASR wherever you need it, whether in the cloud with the API, on-premises with Speech-to-Text On-Prem, or locally on any device with Speech On-Device. 443 Ratings Visit Website QEval QEval is contact center quality assurance software that automates quality monitoring across 100% of voice, chat, and email interactions. Most call center QA teams manually sample 1 to 5% of calls. QEval replaces that with AI-powered speech analytics, automated quality scoring, and real-time compliance monitoring. Core functionality: call monitoring and evaluation, agent performance management, sentiment analysis, keyword detection, customer experience analytics, coaching workflows, gamification, and 110+ dashboards with predictive analytics. Compliance monitoring covers PCI, HIPAA, and GDPR with 98% accuracy and real-time alerts. QEval's speech analytics engine is trained on 138M+ interactions with 94% classification accuracy. The platform deploys in 30 days, not the 90 to 120 days typical of call center quality monitoring software. ISO 27001, SOC 2, PCI-DSS certified. Built by Etech Global Services for Fortune 500 contact centers in healthcare, telecom, retail, banking, and BPO. 30 Ratings Visit Website CTM CTM, formerly known as CallTrackingMetrics, is a conversation intelligence and call tracking platform that helps businesses measure marketing performance, manage customer communications, and improve sales conversions. The software tracks phone calls, text messages, website forms, and chats to identify the advertising campaigns and channels that generate customer inquiries. Its AI-powered conversation analytics provide call transcription, summarization, sentiment analysis, and lead scoring. CTM also offers intelligent call routing, automated follow-ups, AI voice agents, and contact center management tools. Reporting dashboards help organizations analyze marketing attribution, advertising return on investment, customer interactions, and sales team performance. The platform integrates with Google Ads, Google Analytics, HubSpot, Salesforce, and other business applications to connect marketing data with customer conversations and revenue outcomes. 939 Ratings Visit Website Aircall Aircall is an AI-powered customer communications and intelligence platform that unifies phone, messaging, and call center operations. Designed for sales and support teams, it enhances every interaction with features like AI Voice Agents, real-time conversation coaching, and integrated WhatsApp messaging. With powerful analytics, call recording, and shared inboxes, teams gain clarity and can resolve customer issues faster. The platform is easy to set up, offering quick number claiming, seamless integrations, and customizable workflows. Trusted by over 23,000 companies worldwide, Aircall helps businesses improve connection rates, boost CSAT scores, and streamline onboarding. By combining automation with human-first AI, Aircall reduces busywork so teams can focus on building better customer relationships. 1,838 Ratings Visit Website Google AI Studio Google AI Studio is a unified development platform that helps teams explore, build, and deploy applications using Google’s most advanced AI models. It brings text, image, audio, and video models together in one interactive playground. With vibe coding, developers can use natural language to quickly turn ideas into working AI applications. The platform reduces friction by generating functional apps that are ready for deployment with minimal setup. Built-in integrations like Google Search enhance real-world use cases. Google AI Studio also centralizes API key management, usage monitoring, and billing. It offers a fast, intuitive path from prompt to production powered by vibe coding workflows. 41 Ratings Visit Website net2phone net2phone is an AI-powered business communication platform for companies serious about customer experience. Trusted by 500,000+ users and backed by 30+ years of experience, net2phone eliminates the friction of scattered channels and disconnected tools, so every conversation drives retention and growth. Unite unifies voice, messaging, video, and chat in one place, with call recording, sentiment analysis, and AI-generated follow-ups. AI Agent automates customer inquiries and workflows across phone and chat in 30+ languages, handing off to humans when needed. Coach AI reviews 100% of interactions to guide agent performance. uContact gives high-volume teams omnichannel routing and real-time dashboards. Every solution integrates with the tools you already use and runs on enterprise-grade security. Beyond software, net2phone provides expert guidance at every step, from setup to integration to ongoing optimization, so your technology delivers measurable results. 197 Ratings Visit Website Forethought Forethought delivers the world’s most advanced AI Agents built to think, act, and get smarter with every interaction. No matter the question, “Where’s my refund?”, “How do I update my plan?” or “Why isn’t this working?” - there’s a purpose-built AI Agent ready to help. From chat to voice to SMS, every conversation gets a smart, personalized response powered by your policies, tone, and data. This isn’t just plug-and-play automation. It’s AI with a strategic plan. Forethought helps businesses roll out a multi-agent system across the entire customer experience. With Forethought, your teams can stop piecing together tools and start running a smarter, faster operation. One that delights customers every step of the way. 166 Ratings Visit Website Dialpad Support Dialpad Contact Center is Dialpad's AI-native platform for customer experience — the connective layer where conversations, intelligence, and action come together in real time. At its core, Dialpad Contact Center is the world's first Agentic AI contact center: AI agents that don't just transcribe or summarize, but reason, resolve, and act autonomously across the full customer journey. Instead of routing customers between disconnected tools, Dialpad Contact Center unifies voice, digital, and human agents in one platform, connecting the voice and data silos that have historically kept support teams siloed and reactive. Every interaction becomes part of a compounding intelligence layer. With 775M+ AI recaps and counting, Dialpad Contact Center turns each conversation into operational insight that improves resolution rates, agent productivity, and CX outcomes over time. That intelligence is continuously optimized, governed, and made visible across your organization through Dialpad's Guardian safety layer, ensuring secure, enterprise-grade AI operations at scale. Dialpad Contact Center is built to resolve up to 80% of issues autonomously, reducing operational complexity while giving human agents the context they need for what still requires a human touch. People stay at the core; intelligence sits at the edge, ready to act the moment it's needed. Rather than asking enterprises to take autonomy on faith, Dialpad Contact Center is validated through Dialpad's Proving Ground, so teams can confirm ROI and reliability before committing at scale — a modern alternative to legacy, static bots and fragmented support stacks. 1,607 Ratings Visit Website Qloo Qloo is the “Cultural AI”, decoding and predicting consumer taste across the globe. A privacy-first API that predicts global consumer preferences and catalogs hundreds of millions of cultural entities. Through our API, we provide contextualized personalization and insights based on a deep understanding of consumer behavior and more than 575 million people, places, and things. Our technology empowers you to look beyond trends and uncover the connections behind people’s tastes in the world around them. Look up entities in our vast library spanning categories like brands, music, film, fashion, travel destinations, and notable people. Results are delivered within milliseconds and can be weighted by factors such as regionalization and real-time popularity. Used by companies who want to incorporate best-in-class data in their consumer experiences. Our flagship recommendation API delivers results based on demographics, preferences, cultural entities, metadata, and geolocational factors. 23 Ratings Visit Website Squaretalk Squaretalk is a powerful contact center solution that transforms how modern teams connect with prospects and customers, convert sales opportunities, and grow their operations. The combination of AI Voice Agents, calling, power dialing, WhatsApp Business messaging, SMS, email, AI-powered automation, and affordable scalability ensures that companies of all sizes shorten their sales cycle and elevate outreach without additional complexity or costs. Squaretalk’s platform offers omnichannel communication, powerful call-handling features, automated transcripts, sentiment analysis, contact management, customizable workflows, advanced reporting, and enterprise-grade security. The internal chat allows for quick sync, better mentoring, smoother escalations, and the unification of internal and external communication in one platform. With local numbers in 150+ popular and niche destinations, we enable businesses to establish and maintain a local presence, build trust, and support their global expansion. 313 Ratings Visit Website
About 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.	About Best-in-Market Speech-to-Text & Voice AI for Enterprises. Speechmatics delivers industry-leading Speech-to-Text and Voice AI for enterprises needing unrivaled accuracy, security, and flexibility. Our enterprise-grade APIs provide real-time and batch transcription with exceptional precision—across the widest range of languages, dialects, and accents. Powered by Foundational Speech Technology, Speechmatics supports mission-critical voice applications in media, contact centers, finance, healthcare, and more. With on-prem, cloud, and hybrid deployment, businesses maintain full control over data security while unlocking voice insights. Trusted by global leaders, Speechmatics is the top choice for best-in-class transcription and voice intelligence. 🔹 Unmatched Accuracy – Superior transcription across languages & accents 🔹 Flexible Deployment – Cloud, on-prem, and hybrid 🔹 Enterprise-Grade Security – Full data control 🔹 Real-Time & Batch Processing – Scalable transcription
Platforms Supported Windows Not Supported Mac Not Supported Linux Not Supported Cloud Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported	Platforms Supported Windows Not Supported Mac Not Supported Linux Not Supported Cloud Supported On-Premises Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported
Audience AI developers	Audience Conversational AI, contact centers, healthcare, media & entertainment, education technology, software, CRM, consumer electronics, security, government and defence
Support Phone Support Not Supported 24/7 Live Support Not Supported Online Supported	Support Phone Support Supported 24/7 Live Support Not Supported Online Supported
API Offers API Supported	API Offers API Supported
Screenshots and Videos No images available	Screenshots and Videos View more images or videos
Pricing No information available. Free Version Not Supported Free Trial Not Supported	Pricing $0 per month 480 minutes of speech-to-text free per month (240 minutes of batch, 240 minutes of real-time) (3,000 minutes of Voice Agent - Flow free per month) Batch Transcription $0.0050/min for Standard $0.0083/min for Enhanced Real-Time Transcription $0.0067/min for Standard $0.0117/min for Enhanced 20% discount over 500 hr/month for all transcription. Plus, larger volume discounts are available for Enterprise. Voice Agent - Flow $0.0537 /min 20% volume discount over 100 hr/month for Voice Agents. Plus, larger volume discounts are available for Enterprise. Free Version Not Supported Free Trial Supported
Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software	Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software

Training Documentation Supported Webinars Not Supported Live Online Not Supported In Person Not Supported	Training Documentation Supported Webinars Supported Live Online Supported In Person Supported
Company Information OpenAI Founded: 2015 United States openai.com	Company Information Speechmatics Founded: 2006 United Kingdom www.speechmatics.com
Alternatives Amazon Nova 2 Sonic Amazon	Alternatives AssemblyAI
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Gemini Live API Google	SoapBox Soapbox Labs
Murf AI	Google Cloud Speech-to-Text Google
Amazon Lex Amazon View All	MAI-Transcribe-1 Microsoft AI View All
Categories AI Voice Agents Supported Artificial Intelligence (AI) APIs Supported Speech to Text Supported Text to Speech Supported	Categories AI Summarizers Supported AI Translation Supported Artificial Intelligence (AI) APIs Supported Closed Captioning Supported Emotion Recognition Supported Machine Learning Supported Machine Translation Supported Natural Language Processing Supported Sentiment Analysis Supported Speech Recognition Supported Speech to Text Supported Subtitle Supported Transcription Supported Video Translation Supported Voice Biometrics Supported
	Show More Features Emotion Recognition Features Facial Emotions Not Supported Facial Expression Analysis Not Supported Machine Learning Not Supported Photo Emotions Not Supported Speech Emotions Not Supported Video Emotions Not Supported Written Text Emotions Supported Machine Learning Features Deep Learning Supported ML Algorithm Library Supported Model Training Supported Natural Language Processing (NLP) Supported Predictive Modeling Supported Statistical / Mathematical Tools Not Supported Templates Not Supported Visualization Not Supported Natural Language Processing Features Co-Reference Resolution Not Supported In-Database Text Analytics Not Supported Named Entity Recognition Supported Natural Language Generation (NLG) Not Supported Open Source Integrations Not Supported Parsing Not Supported Part-of-Speech Tagging Not Supported Sentence Segmentation Not Supported Stemming/Lemmatization Not Supported Tokenization Not Supported Speech Recognition Features Audio Capture Not Supported Automatic Form Fill Not Supported Automatic Transcription Supported Call Analysis Supported Concatenated Speech Not Supported Continuous Speech Supported Customizable Macros Not Supported Multi-Languages Supported Specialty Vocabularies Supported Speech-to-Text Analysis Supported Variable Frequency Not Supported Voice Recognition Supported Transcription Features AI / Machine Learning Supported Annotations Not Supported Audio/Video File Upload Not Supported Automatic Transcription Supported Collaboration Tools Not Supported File Sharing Not Supported For Manual Transcription Not Supported Full Text Search Supported Multi-Language Support Supported Natural Language Processing (NLP) Supported Playback Controls Not Supported Speech Recognition Supported Subtitles Supported Text Editor Not Supported Timecoding Supported
Integrations AccessOwl Supported ChatGPT Supported Docker Not Supported Dograh Not Supported ElevenLabs Not Supported GPT-4o Supported HoduCC Not Supported LiveKit Not Supported MachinesFluent Not Supported OpenAI Supported Python Not Supported Quickwork Not Supported Recall.ai Not Supported Sensay Not Supported SmartCallz Supported Treza Supported VMware Cloud Not Supported Vapi AI Not Supported XLeap Supported Show More Integrations View All 7 Integrations	Integrations AccessOwl Not Supported ChatGPT Not Supported Docker Supported Dograh Supported ElevenLabs Supported GPT-4o Not Supported HoduCC Supported LiveKit Supported MachinesFluent Supported OpenAI Not Supported Python Supported Quickwork Supported Recall.ai Supported Sensay Supported SmartCallz Not Supported Treza Not Supported VMware Cloud Supported Vapi AI Supported XLeap Not Supported Show More Integrations View All 12 Integrations
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