AssemblyAI Realtime converts streaming audio into text for voice agents with low-latency partial and final transcripts.
AssemblyAI Realtime streams microphone or call audio into live transcripts built for voice agents and assistants. It returns partial transcripts fast with a final formatted transcript at each turn end.
The API serves developers adding live transcription to calling products and agent workflows. It targets engineering teams needing accurate streaming speech recognition with speaker labels.
| Attribute | Realtime Speech-to-Text | Ink | |
|---|---|---|---|
| Provider | |  | |
| Founded | 2017 | 2023 | |
| Sells To | — | Enterprises | |
| Pricing Model | — | Recurring, Software | |
| Ownership | Venture-backed | Private |
Provider
Founded 2017
Sells To —
Pricing Model —
Ownership Venture-backed
Provider
Founded 2023
Sells To Enterprises
Pricing Model Recurring, Software
Ownership Private
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Developer API for streaming real-time speech-to-speech translation and dubbing over WebSocket.
Speechmatics' Speech-to-Text API is a multilingual automatic speech recognition service offered in real-time and batch modes with speaker diarization.
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.
Developer API platform for production-ready speech, transcription, music, agents, and audio generation.
Besimple AI's conversational audio training-data offering.
On-Device Speech-to-Text is a speech recognition offering for Mac and Windows that processes audio locally.
Offline-capable voice-to-text software that types polished text into any app.
AI transcription platform that produces live rough-draft transcripts with speaker identification for court reporters and legal transcriptionists.
Deepgram's Text-to-Speech API generates streamed spoken audio for enterprise voice-agent applications.
Deepgram's Self-Hosted Speech-to-Text runs its speech recognition models on customer-controlled infrastructure.
