Voice AI APIsOnline
Rime
Text-to-speech voice models built for real-time conversations, with 600+ voices, 50+ languages and sub-100ms latency.
- Languages
- 50 languages
Voice AI APIs: compare vendors
There are 30 voice AI APIs vendors in the index.
Results
30 voice AI vendors
Voice agent platformsOnline
Bland AI
Build, deploy, and monitor AI voice agents that sound human. Self-hosted models, sub-second latency, and enterprise compliance.
- Languages
- 40 languages
Voice AI APIsOnline
Cartesia
Cartesia builds real-time voice AI: production voice agents, lifelike text-to-speech, and accurate speech-to-text in 44 languages.
- Languages
- 44 languages
Voice agent platformsOnline
Dasha
Developer platform to create voice and text AI agents for telephony, WebRTC and text channels with sub-second latency.
- Languages
- 30 languages
Open-source voice frameworksOnline
LiveKit
An open source framework and developer platform for building, testing, deploying, scaling, and observing agents in production.
Voice AI APIsOnline
Soniox
Speech AI API for real-time speech-to-text, text-to-speech and translation in 60+ languages.
- Languages
- 60 languages
Voice AI APIsOnline
Telnyx
Licensed carrier offering voice AI agent infrastructure, telephony, SIP trunking and speech APIs on its own private network.
- Languages
- 100 languages
Voice AI APIsOnline
Deepgram
Power enterprise voice solutions with Deepgram’s Speech-to-Text, Text-to-Speech, and Voice Agent APIs. Real-time, accurate, and built for scale.
Voice AI APIsOnline
ElevenLabs
AI voice generator and voice agents platform with 17,500+ voices in 90+ languages, offered via APIs and SDKs.
- Languages
- 90 languages
Voice AI APIsOnline
Gemini Live API
Google's Gemini Live API for low-latency, real-time voice and video interactions with Gemini models.
- Languages
- 70 languages
Voice AI APIsOnline
Inworld AI
Realtime voice models (TTS) and LLM inference for consumer applications and voice agents.
Voice agent platformsOnline
Retell AI
Platform to deploy voice AI agents that answer, qualify and book on real phone calls; states HIPAA and SOC 2 compliance.
Voice AI APIsOnline
SignalWire
Build AI voice agents, contact centers, and unified communications on one programmable platform. One control plane, no vendor stitching.
Voice AI APIsOnline
Bandwidth
Enterprise communications platform with voice, messaging and emergency APIs, including infrastructure for voice AI.
Voice AI APIsOnline
Phonic
Speech-to-speech models for building natural-sounding voice agents.
- Languages
- 50 languages
Voice AI APIsOnline
Plivo
Voice and messaging APIs plus no-code builder and APIs to deploy AI voice agents.
- Languages
- 50 languages
Voice AI APIsOnline
Smallest.ai
Voice AI platform offering text-to-speech, speech-to-text and voice agents for enterprises.
- Languages
- 38 languages
Voice AI APIsOnline
Twilio
Communications APIs for voice, SMS, RCS and email, plus ConversationRelay for building voice AI agents.
Voice AI APIsOnline
Ultravox
Ultravox is a real-time voice AI infrastructure layer that powers fast, natural, and scalable voice agents.
Voice AI APIsOnline
Voice.ai
Voice AI platform with voice agents, text-to-speech and voice changer, available via APIs and SDKs.
- Languages
- 15 languages
Voice AI APIsOnline
Agora
Real-time voice, video and conversational AI APIs, including a conversational AI engine for voice agents.
Voice AI APIsOnline
AssemblyAI
Speech AI models and APIs to transcribe and understand speech, including real-time streaming speech-to-text for voice agents.
- Languages
- 99 languages
Voice AI APIsOnline
Daily
Realtime voice, video and AI infrastructure for developers; the team behind the open-source Pipecat framework and Pipecat Cloud.
Other categories in Online
More voice AI vendors
Questions
What other kinds of voice AI vendors are in Online?
Other categories in Online: Contact-centre voice AI (41 voice AI vendors), AI receptionists (32 voice AI vendors), Voice agent platforms (28 voice AI vendors), Healthcare voice AI (22 voice AI vendors), and Outbound and sales calling (18 voice AI vendors).
Published by VoiceAgents. How we check each voice AI vendor.