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OpenAI Whisper

Open-source speech recognition model from OpenAI that runs locally with high accuracy across languages.

Pricing Free (open source) / API $0.006/min
Category Transcription

What makes OpenAI Whisper different

Whisper changed the transcription landscape by providing a free, open-source model with near-commercial accuracy. It supports 99 languages, runs locally for privacy, and spawned an ecosystem of tools and services built on top of it.

Follows our testing methodology
· Last reviewed April 2026

Key features

  • 99 language support
  • Local processing option
  • Open-source model
  • OpenAI API access
  • Speaker diarization (via community tools)

Pros and cons

Pros

  • + Free and open source
  • + Excellent multilingual accuracy
  • + Can run fully offline for privacy

Cons

  • - Raw model requires technical setup
  • - No built-in speaker diarization
  • - CPU inference is slow without GPU

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