Groq Whisper Transcription in 50 Lines
A 50-line Node.js service that transcribes a folder of audio files using Groq's Whisper-large-v3-turbo. Around 250x realtime, $0.04 per audio hour, drop-in replacement for OpenAI Whisper. Full code, format handling for m4a/mp3/wav/mp4, chunking strategy for files over 25MB, the three errors you will hit, and three real pipelines.
- 50-line Node.js service, the full code, format handling for m4a/mp3/wav/mp4, chunking for files over 25MB, three error fixes
- Groq runs Whisper-large-v3-turbo at 250x realtime for $0.04 per audio hour, roughly 9x cheaper than OpenAI Whisper
- Three working pipelines: podcast episode in 90 seconds, meeting to action items, course video to searchable transcripts
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