swc vs next.js
swc and next.js share 5 technologies: React, Tokio, prop-types, tracing, and tracing-subscriber. swc is written in Rust and next.js in JavaScript.
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
In common
vercel
next.js
The React Framework
JavaScript143.3kRead on November 4, 2026, at commit 97f1a2cWhat is next.js built with?Only in next.js
- Express
- concurrent-queue
scheduler
- Next.js
- react-server-dom-webpack
- styled-jsx
emotion
- Tailwind CSS
- PostCSS
geist
- MUI
react-virtualized
- Framer
- Headless UI
@heroicons/react
- Lucide
- Cheerio
- js-yaml
- image
- sharp
- Ajv
- OpenTelemetry
- pino
class-variance-authority
- next-themes
tailwind-merge
- Radix UI
- cmdk
prompts
- Sass
Side by side
swcnext.js
SizeLines written by people and agents, without generated ones; code files, without tests.
swc3,928,024 lines written1,214 code files
next.js2,391,614 lines written5,697 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
next.js0.8% of its commits signed by AIWith Claude Code, Cursor, GitHub Copilot, and Devin
ActivityFrom GitHub and its history, on the day SeeRepo read it.
swcLast push November 6, 202612,405 commits34,208 stars
next.jsLast push November 4, 202636,392 commits143,262 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
next.js18,587 test files6.5% of its code files have a test that imports them
Frequently asked questions
Which is bigger, swc or next.js?
swc, with 3,928,024 lines written; next.js has 2,391,614.
The proof: swc-project/swc's code at commit dc9d310
Which has more GitHub stars, swc or next.js?
next.js, with 143,262 stars; swc has 34,208.
The proof: vercel/next.js on GitHub
Which has more tests, swc or next.js?
swc, with 48,541 test files; next.js has 18,587.
The proof: swc-project/swc's code at commit dc9d310
Which was updated more recently, swc or next.js?
swc: its last push was on November 6, 2026, and next.js's on November 4, 2026.
The proof: swc-project/swc's commits on GitHub
Which has more commits signed by AI, swc or next.js?
swc: an AI signed 1% of its commits, with Claude Code, GitHub Copilot, and Warp; in next.js, 0.8%.
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