Source: https://seerepo.com/compare/sveltejs/kit/vs/withastro/astro
Markdown source: https://seerepo.com/compare/sveltejs/kit/vs/withastro/astro.md
Description: kit and astro share 3 technologies: Vite, Svelte, and sharp. kit is written in JavaScript and astro in TypeScript.

# kit vs astro

kit and astro share 3 technologies: Vite, Svelte, and sharp. kit is written in JavaScript and astro in TypeScript.

- [sveltejs/kit](https://seerepo.com/r/sveltejs/kit): web development, streamlined
- [withastro/astro](https://seerepo.com/r/withastro/astro): The web framework for content-driven websites.

## What they share and what sets them apart

- In common: Vite, Svelte, sharp
- Only in kit: @standard-schema/spec, valibot
- Only in astro: Hono, Express, Fastify, Preact, preact-render-to-string, React, Solid, Vue, prismjs, fast-xml-parser, xml2js, Zod, @clack/prompts, Cheerio, parse-srcset, shiki, linkedom, htmlparser2, satteri, @shikijs/rehype, rehype-mathjax, rehype-pretty-code, remark-math, remark-toc, unified, unist-util-visit, Netlify, Vercel, yaml, vfile, mdast-util-mdx, mdast-util-mdx-jsx, rehype-raw, remark-gfm, remark-smartypants, hast-util-to-html, hast-util-to-text, rehype-stringify, remark, remark-parse, unist-util-visit-parents

## Side by side

| | kit | astro |
|---|---|---|
| Size | 109,906 lines written, 251 code files | 293,247 lines written, 1,041 code files |
| Who writes it | 0.9% of its commits signed by AI. With GitHub Copilot, Claude Code, and Codex | 0.2% of its commits signed by AI. With Claude Code, GitHub Copilot, and Cursor |
| Activity | Last push November 5, 2026, 7,738 commits, 20,902 stars | Last push November 5, 2026, 15,157 commits, 63,732 stars |
| Tests | 2,114 test files. 49% of its code files have a test that imports them | 3,163 test files. 4.4% of its code files have a test that imports them |

- Size: Lines written by people and agents, without generated ones; code files, without tests.
- Who writes it: A commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
- Activity: From GitHub and its history, on the day SeeRepo read it.
- Tests: The files that test the code, and the share of code files a test imports.

## Frequently asked questions

### Which is bigger, kit or astro?

astro, with 293,247 lines written; kit has 109,906.

The proof: [withastro/astro's code at commit ff1e2fb](https://github.com/withastro/astro/tree/ff1e2fb2f908d637e6b60a293c26db552c88f562)

### Which has more GitHub stars, kit or astro?

astro, with 63,732 stars; kit has 20,902.

The proof: [withastro/astro on GitHub](https://github.com/withastro/astro)

### Which has more tests, kit or astro?

astro, with 3,163 test files; kit has 2,114.

The proof: [withastro/astro's code at commit ff1e2fb](https://github.com/withastro/astro/tree/ff1e2fb2f908d637e6b60a293c26db552c88f562)

### Which was updated more recently, kit or astro?

Both got their last push on November 5, 2026.

The proof: [sveltejs/kit's commits on GitHub](https://github.com/sveltejs/kit/commits)

### Which has more commits signed by AI, kit or astro?

kit: an AI signed 0.9% of its commits, with GitHub Copilot, Claude Code, and Codex; in astro, 0.2%.

The proof: [the commits each tool signed in sveltejs/kit](https://seerepo.com/r/sveltejs/kit/ai)

## Sources

- sveltejs/kit: Read on November 5, 2026, at commit decaf66 (https://github.com/sveltejs/kit/tree/decaf66ff3198b70a4fafa0242f60c6a07481ee3)
- withastro/astro: Read on November 5, 2026, at commit ff1e2fb (https://github.com/withastro/astro/tree/ff1e2fb2f908d637e6b60a293c26db552c88f562)

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.