From: hpcaitech <github.com/hpcaitech>Newsgroups: alt.freeweights.toolsSubject:

Colossal-AI

Release: v0.5.0 (2025-06-04)Commit: d322ff8License: Apache-2.0

Making large AI models cheaper, faster and more accessible

trainingv0.5.0releaseColossal-AIPythonApache-2.0

FactsLicenseApache-2.0LanguagePythonKindtrainingRelease2025-06-04PlatformsLinux (GPU)Links to the projectpermissive

$ pip install colossalai

Overview Install Use with Freeweights License Provenance

Overview

Parallel training system for large models.

Kind: training
License: Apache-2.0
Language: Python
Platforms: Linux (GPU)
Latest release: v0.5.0 (2025-06-04)
Repository: hpcaitech/ColossalAI

Topicsaibig-modeldata-parallelismdeep-learningdistributed-computingfoundation-modelsheterogeneous-traininghpcinferencelarge-scalemodel-parallelismpipeline-parallelism

Freeweights links to the project and does not host tool binaries.

Install

$ pip install colossalai

$ pip install colossalai

Checked against the project's README on 2026-11-15. The project's own instructions win when they differ: install docs

Freeweights links to the project and does not host tool binaries.

Use with Freeweights

Fine-tune a catalog model

Download the weights from Freeweights first (HF_ENDPOINT or fw.py), then point the tool at the folder.

Catalog models it can fine-tune (3137)

135M-lc-100k-rope-12B a2-rl-e2egit_large-50-32B AesCode-32B AesCode-8B AFM-4.5B AFM-4.5B-Base AgentCPM-Report Agents-A1-4B AI21-Jamba-Reasoning-3B AI21-Jamba2-Mini AlchemistCoder-L-7B Alexandria-Gemma-4-12B-it-Ornith9-Summaries-LoRA-r128 Alexandria-Gemma-4-12B-it-Ornith9-Summaries-LoRA-r64 Alexandria-Gemma-4-12B-it-Qwen27-Knowledge-Units-LoRA-r128 Alexandria-Gemma-4-12B-it-Qwen27-Summaries-LoRA-r128 Alexandria-Gemma-4-12B-it-Qwen27-Summaries-LoRA-r64 Alexandria-Gemma-4-E4B-it-Qwen27-Knowledge-Units-LoRA-r128 ALLaM-7B-Instruct-preview AM-Thinking-v1 AMD-OLMo-1B AMD-OLMo-1B-SFT AMD-OLMo-1B-SFT-DPO Apertus-70B-2509 Apertus-70B-Instruct-2509 Apertus-8B-2509 Apertus-8B-Instruct-2509 Apertus-8B-Instruct-2509-unsloth-bnb-4bit Apertus-v1.1-0.5B Apertus-v1.1-0.5B-Instruct Apertus-v1.1-1.5B Apertus-v1.1-1.5B-Instruct Apertus-v1.1-4B Apertus-v1.1-4B-Instruct Apex-35B-V1.0 Apodex-1.1-mini Apriel-1.5-15b-Thinker Apriel-1.6-15b-Thinker Apriel-Nemotron-15b-Thinker Aquila-135M-Intermediate Aquila-VL-2B-Intermediate AquilaDense-16B AquilaMoE AquilaMoE-SFT Arcee-Maestro-7B-Preview Arete-27B AREX-2 AREX-2-6bit AREX-Base AREX-Turbo AstaBrief_8B AstaBrief_8B_SFT Aurora-Code-1 Baguettotron Baichuan-M2-32B BAR-2x7B-Base BAR-2x7B-Code BAR-2x7B-Code-SFT BAR-2x7B-Math BAR-2x7B-Math-SFT BAR-2x7B-Safety

and 3077 more.

License

License: Apache-2.0
Class: Permissive

Read the license

Freeweights links to the project and does not host tool binaries.

Provenance

From: hpcaitech <github.com/hpcaitech>Newsgroups: alt.freeweights.toolsSubject: Colossal-AIRelease: v0.5.0 (2025-06-04)Commit: d322ff8License: Apache-2.0

Repository: hpcaitech/ColossalAI
Pinned release: v0.5.0, 2025-06-04
Release commit: d322ff8cd9bf81d5d85bc7ef9c910184cd9e2057
Default branch: main 297c8cf6d91cb0bff795cba961d3aea1e66fa370
Fetched: 2026-11-15
Takedowns: None.

Freeweights links to the project and does not host tool binaries.

Get it

Install Project repository

Works with

3137 catalog models. See the list