WhisperSpeech

by WhisperSpeech / Collabora

Whisper inverted into a TTS — also used as ASR-aware training data tool.

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TL;DR

Best for researchers exploring speech-LM scaling laws built on Whisper embeddings. Pricing: free.

Category
Open source
License
MIT
Stars
★ 4.6k
Last push
2025-12-14
Pricing
free
Platforms
Linux

What it is

An open speech-LM that re-uses Whisper's encoder as a semantic audio tokenizer. MIT.

Best for: Researchers exploring speech-LM scaling laws built on Whisper embeddings.
Watch out for: TTS-focused; not a transcription engine; checkpoints under MIT but evolving.

Install / use

git clone https://github.com/WhisperSpeech/WhisperSpeech

Features

Speaker diarizationNo
Word-level timestampsYes
Streaming / real-timeNo
Languages supported99
HIPAA eligibleNo

Links

GitHub repo ↗

WhisperSpeech vs Whipscribe

FeatureWhisperSpeechWhipscribe
CategoryOpen sourceTranscription APIs
Pricingfree$4–$24 one-time packs (credits never expire) · $2 single unlock · 60 min free on signup
Speaker diarizationNoYes
Word timestampsYesYes
StreamingNoNo
Languages9999
PlatformsLinuxWeb, API, MCP

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