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★★★★☆4.2
OpenAI Whisper
OpenAI's open-source speech recognition that runs anywhere, free.
✓ Editor-verified listing — details reviewed by Grab AI Tool editors; pricing re-checked regularly.
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What is OpenAI Whisper?
Whisper is OpenAI's open-source speech recognition model: download it and transcribe audio locally in 99 languages, with no per-minute fees and no audio leaving your machine. Trained on 680,000 hours of web audio, it is robust to accents, background noise and technical language, and it has become the engine quietly embedded inside countless transcription apps and workflows.
The catch is that Whisper is a model, not a product: you, or a tool built on it, handle installation, hardware and the interface, and the larger model sizes want a decent GPU for speed. OpenAI also offers Whisper through its hosted API for those who prefer paying per minute. For private, high-volume or offline transcription, nothing matches its cost-to-accuracy ratio.
Key Features
- Transcription in 99 languages
- Runs locally and fully offline
- Multiple model sizes to choose from
- Speech translation into English
- Open source and free to self-host
Pros
- Free, private and offline-capable
- Accuracy rivals paid services
- Huge ecosystem of tools built on it
Cons
- No interface — needs tooling or code
- Large models need a GPU for speed
- No speaker diarization built in
Pricing
- Model: Free
- Free and open source to run on your own hardware; OpenAI's hosted API version costs $0.006 per minute of audio.
Adding Up Your AI Bill?
If you pay for OpenAI Whisper alongside other AI subscriptions, the monthly total adds up quietly. Tick every tool you pay for in our free AI Tool Cost Calculator to see your real monthly and yearly bill — and spot overlaps you can cut. Still choosing? Start with our guide on how to choose the right AI tool.
How We Rated It
Scores reflect our editors’ independent assessment at the time of review.
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