Whisper is OpenAI's open-source automatic speech recognition model, available free. It transcribes audio in 99 languages with high accuracy, handles accents well and works on local hardware. Many popular transcription tools use Whisper under the hood.
Best for
Developers who want free, accurate local transcription across 99 languages.
Pros
- Completely free and open-source — no subscription or usage limits when self-hosted
- High accuracy across 99 languages, and handles accents better than many commercial alternatives
- Runs on local hardware, so no data leaves your machine
Cons
- Requires technical setup to run locally — not a polished point-and-click app
- No built-in speaker diarization or NLP add-ons the way AssemblyAI or Deepgram offer
Tags
transcriptionopen-sourcespeech-recognitionmultilinguallocal
Frequently asked questions
Do I need to be a developer to use Whisper?
To run it directly, some technical setup is required. Many consumer transcription apps use Whisper under the hood, so you can get its accuracy through a friendlier interface without running it yourself.