swc vs zed
swc and zed share 5 technologies: lru, Tokio, dialoguer, tracing, and tracing-subscriber. Both are written in Rust.
LinkedInWhat they share and what sets them apart
swc-project
swc
Rust-based platform for the Web
Rust34.2kRead on November 7, 2026, at commit dc9d310What is swc built with?Only in swc
- React
- wasmtime
lightningcss
antd
yaml
- jsonc-parser
- prop-types
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
- Postgres
- sqlx
AWS S3- GitHub
gpui
- gpui_tokio
- smol
objc2-foundation
- tiny_http
- core-services
- swash
- gpui_platform
accesskit
- wgpu
- x11rb
- core-graphics
- wayland-client
taffy
- xkbcommon
- console
- cosmic-text
- jsonwebtoken
rpassword
- markdown
- image
- quick-xml
- pulldown-cmark
- html5ever
- linkify
- handlebars
- plist
- resvg
- ttf-parser
- schemars
- jsonschema
- log
- env_logger
Side by side
swczed
SizeLines written by people and agents, without generated ones; code files, without tests.
swc3,928,024 lines written1,214 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.
swc1% of its commits signed by AIWith Claude Code, GitHub Copilot, and Warp
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.
swcLast push November 6, 202612,405 commits34,208 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.
swc48,541 test files14.3% 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, swc or zed?
swc, with 3,928,024 lines written; zed has 1,835,785.
The proof: swc-project/swc's code at commit dc9d310
Which has more GitHub stars, swc or zed?
zed, with 92,679 stars; swc has 34,208.
The proof: zed-industries/zed on GitHub
Which has more tests, swc or zed?
swc, with 48,541 test files; zed has 140.
The proof: swc-project/swc's code at commit dc9d310
Which was updated more recently, swc or zed?
swc: its last push was on November 6, 2026, and zed's on November 4, 2026.
The proof: swc-project/swc's commits on GitHub
Which has more commits signed by AI, swc or zed?
swc: an AI signed 1% of its commits, with Claude Code, GitHub Copilot, and Warp; in zed, 0.5%.
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