Source: https://seerepo.com/compare/hpcaitech/ColossalAI/vs/Lightricks/LTX-2
Markdown source: https://seerepo.com/compare/hpcaitech/ColossalAI/vs/Lightricks/LTX-2.md
Description: ColossalAI and LTX-2 share 13 technologies: Rich, OpenAI, torch, triton, peft, safetensors, bitsandbytes, accelerate, sentencepiece, torchaudio, torchvision, pillow, and Pydantic. Both are written in Python.

# ColossalAI vs LTX-2

ColossalAI and LTX-2 share 13 technologies: Rich, OpenAI, torch, triton, peft, safetensors, bitsandbytes, accelerate, sentencepiece, torchaudio, torchvision, pillow, and Pydantic. Both are written in Python.

- [hpcaitech/ColossalAI](https://seerepo.com/r/hpcaitech/ColossalAI): Making large AI models cheaper, faster and more accessible
- [Lightricks/LTX-2](https://seerepo.com/r/Lightricks/LTX-2): Official Python inference and LoRA trainer package for the LTX-2 audio–video generative model.

## What they share and what sets them apart

- In common: Rich, OpenAI, torch, triton, peft, safetensors, bitsandbytes, accelerate, sentencepiece, torchaudio, torchvision, pillow, Pydantic
- Only in ColossalAI: FastAPI, uvicorn, chromadb, Hugging Face, anyio, Ray, Gradio, seaborn, matplotlib, SQLAlchemy, ModelScope, rouge, scikit-learn, sentence-transformers, tiktoken, colossalai, transformers, LangChain, diffusers, flash-attn, datasets, vLLM, einops, galore-torch, loralib, math-verify, jinja2, markdown-it-py, markupsafe, mdurl, pypdf, unstructured, jsonlines, annotated-types, gpustat, psutil, fabric
- Only in LTX-2: Google, NVIDIA, optimum-quanto, imageio, torchcodec, av, imageio-ffmpeg, pillow-heif

## Side by side

| | ColossalAI | LTX-2 |
|---|---|---|
| Size | 319,283 lines written, 975 code files | 81,590 lines written, 364 code files |
| Who writes it | 0.3% of its commits signed by AI. With Codex and Claude Code | 0% of its commits signed by AI |
| Activity | Last push November 13, 2026, 3,904 commits, 41,424 stars | Last push November 12, 2026, 36 commits, 10,227 stars |
| Tests | 515 test files. 1.1% of its code files have a test that imports them | 0 test files |

- Size: Lines written by people and agents, without generated ones; code files, without tests.
- Who writes it: A commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
- Activity: From GitHub and its history, on the day SeeRepo read it.
- Tests: The files that test the code, and the share of code files a test imports.

## Frequently asked questions

### Which is bigger, ColossalAI or LTX-2?

ColossalAI, with 319,283 lines written; LTX-2 has 81,590.

The proof: [hpcaitech/ColossalAI's code at commit 297c8cf](https://github.com/hpcaitech/ColossalAI/tree/297c8cf6d91cb0bff795cba961d3aea1e66fa370)

### Which has more GitHub stars, ColossalAI or LTX-2?

ColossalAI, with 41,424 stars; LTX-2 has 10,227.

The proof: [hpcaitech/ColossalAI on GitHub](https://github.com/hpcaitech/ColossalAI)

### Which has more tests, ColossalAI or LTX-2?

ColossalAI, with 515 test files.

The proof: [hpcaitech/ColossalAI's code at commit 297c8cf](https://github.com/hpcaitech/ColossalAI/tree/297c8cf6d91cb0bff795cba961d3aea1e66fa370)

### Which was updated more recently, ColossalAI or LTX-2?

ColossalAI: its last push was on November 13, 2026, and LTX-2's on November 12, 2026.

The proof: [hpcaitech/ColossalAI's commits on GitHub](https://github.com/hpcaitech/ColossalAI/commits)

### Which has more commits signed by AI, ColossalAI or LTX-2?

ColossalAI: an AI signed 0.3% of its commits, with Codex and Claude Code.

## Sources

- hpcaitech/ColossalAI: Read on November 13, 2026, at commit 297c8cf (https://github.com/hpcaitech/ColossalAI/tree/297c8cf6d91cb0bff795cba961d3aea1e66fa370)
- Lightricks/LTX-2: Read on November 13, 2026, at commit f0f2f86 (https://github.com/Lightricks/LTX-2/tree/f0f2f8607189c78a72420b2b63cb1975b5eca179)

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.