Compare
tailwindcss vs next.js
tailwindcss and next.js share 3 technologies: tracing, tracing-subscriber, and PostCSS. tailwindcss is written in TypeScript and next.js in JavaScript.
What they share and what sets them apart
tailwindlabs
tailwindcss
A utility-first CSS framework for rapid UI development.
TypeScript98.1kRead on November 4, 2026, at commit 2626ae6What is tailwindcss built with?vercel
next.js
The React Framework
JavaScript143.3kRead on November 4, 2026, at commit 97f1a2cWhat is next.js built with?In common
tracing
- PostCSS
Only in tailwindcss
Only in next.js
- React
- Express
- concurrent-queue
- Tokio
- scheduler
- Next.js
- react-server-dom-webpack
- styled-jsx
emotion
- Tailwind CSS
geist
- MUI
- react-virtualized
- Framer
- Headless UI
@heroicons/react
- Lucide
- Cheerio
- js-yaml
- image
- sharp
- prop-types
- Ajv
- OpenTelemetry
- pino
class-variance-authority
- next-themes
tailwind-merge
- Radix UI
- cmdk
- prompts
- Sass
Side by side
tailwindcssnext.js
SizeLines written by people and agents, without generated ones; code files, without tests.
tailwindcss165,694 lines written231 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.
tailwindcss0.2% of its commits signed by AIWith Claude Code, CodeRabbit, and Codex
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.
tailwindcssLast push November 2, 20266,086 commits98,062 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.
tailwindcss137 test files36.4% 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, tailwindcss or next.js?
next.js, with 2,391,614 lines written; tailwindcss has 165,694.
The proof: vercel/next.js's code at commit 97f1a2c
Which has more GitHub stars, tailwindcss or next.js?
next.js, with 143,262 stars; tailwindcss has 98,062.
The proof: vercel/next.js on GitHub
Which has more tests, tailwindcss or next.js?
next.js, with 18,587 test files; tailwindcss has 137.
The proof: vercel/next.js's code at commit 97f1a2c
Which was updated more recently, tailwindcss or next.js?
next.js: its last push was on November 4, 2026, and tailwindcss's on November 2, 2026.
The proof: vercel/next.js's commits on GitHub
Which has more commits signed by AI, tailwindcss or next.js?
next.js: an AI signed 0.8% of its commits, with Claude Code, Cursor, GitHub Copilot, and Devin; in tailwindcss, 0.2%.
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