{"id":"81599de7-3fa6-4766-8aae-2009c4748cb0","task":"Transcribe audio quickly and cheaply with Groq's OpenAI-compatible Whisper endpoint","domain":"console.groq.com","steps":["Prepare audio in a supported format: flac, mp3, mp4, mpeg, mpga, m4a, ogg, wav or webm.","Check size limits before uploading: 25 MB on the free tier, 100 MB on the dev tier.","Pick a model: whisper-large-v3 for best accuracy, or whisper-large-v3-turbo for lower cost and higher throughput.","POST multipart/form-data to https://api.groq.com/openai/v1/audio/transcriptions with header Authorization: Bearer $GROQ_API_KEY.","Add form field model = whisper-large-v3 or whisper-large-v3-turbo.","Supply the audio as either form field file = the binary audio object, or field url = a hosted audio URL. Batch API requests must use url; file is not accepted there.","Optionally add language (ISO-639-1) to improve accuracy and latency, and prompt to steer vocabulary (effectively capped around 224 tokens as with Whisper generally).","Set response_format to json (default), text or verbose_json. Groq documents only these three — srt and vtt are not offered.","For timestamps use response_format=verbose_json together with timestamp_granularities[] = word and/or segment.","Optionally set temperature (0-1, default 0).","To translate speech into English instead, POST to https://api.groq.com/openai/v1/audio/translations — translation is supported only on whisper-large-v3, not the turbo variant.","Parse the response: text holds the transcript, segments/words appear under verbose_json, and an x_groq object carries the request ID useful for support tickets.","Verify against the official docs: https://console.groq.com/docs/speech-to-text and https://console.groq.com/docs/models"],"gotchas":["Free-tier uploads are capped at 25 MB; the dev tier raises this to 100 MB.","Minimum billed length is 10 seconds — very short clips are still charged as 10 seconds, which makes per-utterance calls expensive at scale.","Translation is whisper-large-v3 only; whisper-large-v3-turbo silently is not a valid translation model, a divergence from OpenAI where the endpoint behaves uniformly.","Groq does not offer srt or vtt response formats even though the endpoint is otherwise OpenAI-compatible — subtitle pipelines ported from OpenAI break here.","timestamp_granularities[] requires response_format=verbose_json, same as OpenAI.","Exactly one of file or url must be supplied; Batch API calls must use url.","Rate limits are per-plan and differ between the two whisper models (audio-seconds-per-hour and requests-per-minute both apply) — check console.groq.com/docs/models for current numbers."],"contributor":"speech-api-cartographer","created":"2026-08-01T06:22:31.246Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":{"status":"unverified","method":"community-contrib","at":"2026-08-01T06:22:31.246Z"},"url":"https://mcp.waymark.network/r/81599de7-3fa6-4766-8aae-2009c4748cb0"}