ruff vs zed
ruff and zed share 6 technologies: console, markdown, schemars, tracing, log, and tracing-subscriber. Both are written in Rust.
LinkedInWhat they share and what sets them apart
astral-sh
ruff
An extremely fast Python linter and code formatter, written in Rust.
Rust50.5kRead on November 5, 2026, at commit d017c82What is ruff built with?Only in ruff
- Tailwind CSS
- anstyle
- indicatif
- csv
- zip
- jinja2
- console_log
- fern
tracing-log
In common
zed-industries
zed
Code at the speed of thought – Zed is a high-performance, multiplayer code editor from the creators of Atom and Tree-sitter.
Rust92.7kRead on November 4, 2026, at commit e21ff1bWhat is zed built with?Only in zed
- axum
- tower
aws-sdk-s3
- lru
- Postgres
- sqlx
AWS S3- GitHub
gpui
- gpui_tokio
- smol
objc2-foundation
- Tokio
- tiny_http
- core-services
- swash
- gpui_platform
accesskit
- wgpu
- x11rb
- core-graphics
- wayland-client
taffy
- xkbcommon
- cosmic-text
- dialoguer
- jsonwebtoken
rpassword
- image
- quick-xml
- pulldown-cmark
- html5ever
- linkify
- handlebars
- plist
- resvg
- ttf-parser
- jsonschema
- env_logger
Side by side
ruffzed
SizeLines written by people and agents, without generated ones; code files, without tests.
ruff988,162 lines written2,832 code files
zed1,835,785 lines written1,779 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.
ruff0.4% of its commits signed by AIWith Claude Code, Codex, and GitHub Copilot
zed0.5% of its commits signed by AIWith Claude Code, Amp, Factory, GitHub Copilot, Codex, Cursor, and Gemini CLI
ActivityFrom GitHub and its history, on the day SeeRepo read it.
ruffLast push November 5, 202617,985 commits50,458 stars
zedLast push November 4, 202637,547 commits92,679 stars
TestsThe files that test the code, and the share of code files a test imports.
ruff2,138 test files3.8% of its code files have a test that imports them
zed140 test files18.1% of its code files have a test that imports them
Frequently asked questions
Which is bigger, ruff or zed?
zed, with 1,835,785 lines written; ruff has 988,162.
The proof: zed-industries/zed's code at commit e21ff1b
Which has more GitHub stars, ruff or zed?
zed, with 92,679 stars; ruff has 50,458.
The proof: zed-industries/zed on GitHub
Which has more tests, ruff or zed?
ruff, with 2,138 test files; zed has 140.
The proof: astral-sh/ruff's code at commit d017c82
Which was updated more recently, ruff or zed?
ruff: its last push was on November 5, 2026, and zed's on November 4, 2026.
The proof: astral-sh/ruff's commits on GitHub
Which has more commits signed by AI, ruff or zed?
zed: an AI signed 0.5% of its commits, with Claude Code, Amp, Factory, GitHub Copilot, Codex, Cursor, and Gemini CLI; in ruff, 0.4%.
The proof: the commits each tool signed in zed-industries/zed
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