ColossalAI
by HPC-AI Tech
Open distributed framework — supports Whisper LoRA fine-tunes.
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TL;DR
Best for cheap large-model training across multi-GPU nodes. Pricing: free.
Category
Open source
License
Apache-2.0
Stars
★ 41.4k
Last push
2026-07-13
Pricing
free
Platforms
Linux
What it is
Distributed-training stack with 3D-parallel + ZeRO. Apache-2.0.
Best for: Cheap large-model training across multi-GPU nodes.
Watch out for: Less mature than DeepSpeed for inference.
Watch out for: Less mature than DeepSpeed for inference.
Install / use
pip install colossalai
Features
| Speaker diarization | No |
| Word-level timestamps | Yes |
| Streaming / real-time | No |
| Languages supported | 99 |
| HIPAA eligible | No |
Links
ColossalAI vs Whipscribe
| Feature | ColossalAI | Whipscribe |
|---|---|---|
| Category | Open source | Transcription APIs |
| Pricing | free | $4–$24 one-time packs (credits never expire) · $2 single unlock · 60 min free on signup |
| Speaker diarization | No | Yes |
| Word timestamps | Yes | Yes |
| Streaming | No | No |
| Languages | 99 | 99 |
| Platforms | Linux | Web, API, MCP |
Alternatives to ColossalAI
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