Deepgram's Text-to-Speech API generates streamed spoken audio for enterprise voice-agent applications.
Deepgram's Text-to-Speech API converts text into spoken audio over low-latency streaming connections, including WebSocket sessions, and produces telephony-grade audio output for voice channels. The company positions it for enterprise voice-agent builds alongside its speech recognition APIs.
Deployment options span cloud, private cloud, and on-premises environments, depending on the customer's infrastructure and data requirements.
| Attribute | Deepgram Text-to-Speech | Text to Speech | |
|---|---|---|---|
| Provider |  |  | |
| Founded | 2015 | 2006 | |
| Sells To | Enterprise, Small Business | — | |
| Pricing Model | Recurring, Software, Usage-based | Recurring Subscription | |
| Ownership | Venture-backed | Private |
Provider
Founded 2015
Sells To Enterprise, Small Business
Pricing Model Recurring, Software, Usage-based
Ownership Venture-backed
Provider
Founded 2006
Sells To —
Pricing Model Recurring Subscription
Ownership Private
Speechmatics' Speech-to-Text API is a multilingual automatic speech recognition service offered in real-time and batch modes with speaker diarization.
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Developer API platform for production-ready speech, transcription, music, agents, and audio generation.
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AI voice generation platform for text-to-speech voiceovers, voice agents, and AI dubbing.
Speechify is an AI text-to-speech app that reads documents and articles aloud.
Cartesia's Sonic is a text-to-speech model and API built for real-time voice applications.
Amazon Nova Sonic provides streaming speech-to-speech models for conversational applications and voice assistants.
OpenAI Realtime API provides conversational speech-to-speech models for developers building interactive voice agents.
Gemini Live API enables real-time voice and vision interactions through streaming conversational models.
Voice-to-text software that turns speech into formatted writing across apps.
Speechmatics' Speech-to-Text API is a multilingual automatic speech recognition service offered in real-time and batch modes with speaker diarization.
Agent STT is a real-time speech-to-text API package built for AI voice agent workloads.
AssemblyAI's Speech-to-Text API transcribes audio in streaming and pre-recorded modes with speaker diarization.
Developer API platform for production-ready speech, transcription, music, agents, and audio generation.
Bland Speech provides developers with a text-to-speech studio and speech-generation API.
On-Device Speech-to-Text is a speech recognition offering for Mac and Windows that processes audio locally.
AI voice generation platform for text-to-speech voiceovers, voice agents, and AI dubbing.
Speechify is an AI text-to-speech app that reads documents and articles aloud.
Cartesia's Sonic is a text-to-speech model and API built for real-time voice applications.
Programmable voice APIs for making, receiving, and managing phone calls globally.
Amazon Nova Sonic provides streaming speech-to-speech models for conversational applications and voice assistants.
OpenAI Realtime API provides conversational speech-to-speech models for developers building interactive voice agents.
Gemini Live API enables real-time voice and vision interactions through streaming conversational models.
Voice-to-text software that turns speech into formatted writing across apps.
