Is there a free, open-source alternative to OpenAI Whisper API?

Yes. The most popular open-source alternatives to OpenAI Whisper API on Repolode are speech.cpp.

Which OpenAI Whisper API alternative should I choose?

speech.cpp has the most GitHub stars and is released under MIT. Compare the license and last commit of each option in the table above before choosing.

1 alternative

Best open-source alternatives to OpenAI Whisper API (2026)

Looking for a free, open-source alternative to OpenAI Whisper API? These 1 projects can replace it. Each one passed our quality screening and is explained in plain words, so you can compare stars, license and maintenance at a glance.

Quick comparison

Project	Stars	License	Last commit
nyosegawa/speech.cpp	★ 368	MIT	6 days ago

nyosegawa / speech.cpp

GitHub

A C++ speech toolkit on ggml for text-to-speech, speech recognition and voice activity detection, running on Metal, Vulkan or CPU with an OpenAI-compatible server.

AI & Machine Learning #speech-synthesis #speech-recognition #text-to-speech #voice-activity-detection #ggml

368+90 this week23C++MITWell maintainedUpdated 6 days ago

FAQ

Is there a free, open-source alternative to OpenAI Whisper API?: Yes. The most popular open-source alternatives to OpenAI Whisper API on Repolode are speech.cpp.
Which OpenAI Whisper API alternative should I choose?: speech.cpp has the most GitHub stars and is released under MIT. Compare the license and last commit of each option in the table above before choosing.

How this list is made: AI reads each project's documentation to match it with products it can replace, every project passes our quality screening, and the list is ranked by GitHub stars. Stars updated Nov 6, 2026. How Repolode works

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