Transcribe audio

whisper.cpp

Open-source C/C++ port of OpenAI Whisper that transcribes audio to text locally, from a CLI or an HTTP server.

Billing

Pricing model: Free, open-source software (MIT licence); no hosted service2
Free tier: Everything is free to use2
Card required for free tier: No: nothing to pay for2
Minimum spend: None2
Billing period: None: no billing2

Prices

You pay only for your own hardware and electricity.

Price: Free (MIT licence)2

Read from ggml-org’s own pages on 2026-11-04. Every number links to the page a value came from. For agents, the same facts as markdown: /tools/transcribe-audio/whisper-cpp.md