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ms-swift vs ray

ms-swift and ray share 20 technologies: FastAPI, Ray, AIOHTTP, uvicorn, matplotlib, sentencepiece, tiktoken, transformers, peft, accelerate, datasets, safetensors, torchvision, torchaudio, einops, nltk, scikit-learn, docutils, myst-parser, and pillow. Both are written in Python.

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What they share and what sets them apart

modelscope

ms-swift

Use PEFT or Full-parameter to CPT/SFT/DPO/GRPO 600+ LLMs (Qwen3.8, DeepSeek-V4, GLM-5.1, InternLM3, Llama4, ...) and 300+ MLLMs (Qwen3-VL, Qwen3-Omni, InternVL3.5, Ovis2.5, GLM5.3, Gemma4, Llava, Phi4, ...) (AAAI 2025).

Python16.1kRead on November 7, 2026, at commit 47b437aWhat is ms-swift built with?

Only in ms-swift

  • oss2
  • sphinx-rtd-theme
  • OpenAI
  • ModelScope
  • trl
  • rouge
  • recommonmark
  • sphinx-markdown-tables
  • swanlab

In common

ray-project

ray

Ray is an AI compute engine. Ray consists of a core distributed runtime and a set of AI Libraries for accelerating ML workloads.

Python44.3kRead on November 10, 2026, at commit c99c603What is ray built with?

Only in ray

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
ms-swift165,674 lines written533 code files
ray1,551,053 lines written2,797 code files
Who writes itA commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
ms-swift0.3% of its commits signed by AIWith Claude Code, Gemini CLI, and Codex
ray3.7% of its commits signed by AIWith Claude Code, Gemini CLI, GitHub Copilot, Cursor, and Codex
ActivityFrom GitHub and its history, on the day SeeRepo read it.
ms-swiftLast push November 7, 20263,872 commits16,058 stars
rayLast push November 10, 202632,424 commits44,251 stars
TestsThe files that test the code, and the share of code files a test imports.
ms-swift249 test files24% of its code files have a test that imports them
ray2,192 test files9.5% of its code files have a test that imports them

Frequently asked questions

Which is bigger, ms-swift or ray?
ray, with 1,551,053 lines written; ms-swift has 165,674.

The proof: ray-project/ray's code at commit c99c603

Which has more GitHub stars, ms-swift or ray?
ray, with 44,251 stars; ms-swift has 16,058.

The proof: ray-project/ray on GitHub

Which has more tests, ms-swift or ray?
ray, with 2,192 test files; ms-swift has 249.

The proof: ray-project/ray's code at commit c99c603

Which was updated more recently, ms-swift or ray?
ray: its last push was on November 10, 2026, and ms-swift's on November 7, 2026.

The proof: ray-project/ray's commits on GitHub

Which has more commits signed by AI, ms-swift or ray?
ray: an AI signed 3.7% of its commits, with Claude Code, Gemini CLI, GitHub Copilot, Cursor, and Codex; in ms-swift, 0.3%.

The proof: the commits each tool signed in ray-project/ray

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