whisper-ctranslate2

Overview

A command line client for OpenAI's Whisper speech recognition model that uses CTranslate2 for efficient inference. It is compatible with the original OpenAI client but provides faster transcription on compatible hardware.

Best for

Best for
Developers who need efficient local speech-to-text transcription with minimal overhead

Use cases

• Transcribing audio files to text locally
• Integrating speech-to-text into Python workflows
• Running offline transcription without cloud dependencies

Notes

A command line client for OpenAI’s Whisper speech recognition model that uses CTranslate2 for efficient inference. It is compatible with the original OpenAI client but provides faster transcription on compatible hardware.

1,309 stars on GitHub. Last updated 2026-02-14. Licensed MIT.

Use cases

• Transcribing audio files to text locally
• Integrating speech-to-text into Python workflows
• Running offline transcription without cloud dependencies

Pros

• Faster inference than the original Whisper implementation due to CTranslate2 optimizations
• Compatible with existing OpenAI Whisper usage patterns
• Open source with a permissive license and active community

Cons

• Limited to command line usage with no built-in GUI
• Requires Python environment and knowledge of dependencies
• May not support all Whisper model variants or advanced features

Indexed from awesome-llmops and enriched against its public facts.