
Realtime speech-to-text for voice agents, $0.36 an hour
Fish Audio Realtime Speech to Text (transcribe-stream-1, in preview) streams audio over a WebSocket and returns transcripts turn by turn. It detects when the user has finished, tells speech from background noise, and recognizes backchannels like “mm-hm”. Per the docs, first draft text arrives about 0.5 seconds after speech starts. Supports 29 language codes, custom vocabulary, speaker tags and 8 to 48 kHz PCM audio. $0.36 per hour.
Fish Audio Realtime STT provides real-time speech-to-text transcription for voice agents, streaming audio over WebSocket and delivering transcripts with a latency of approximately 0.5 seconds. It supports 29 languages, custom vocabulary, speaker tags, and is priced at $0.36 per hour.
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