Source: https://seerepo.com/compare/shikijs/shiki/vs/withastro/astro
Markdown source: https://seerepo.com/compare/shikijs/shiki/vs/withastro/astro.md
Description: shiki and astro share 12 technologies: Solid, Vue, React, Vite, Svelte, hast-util-to-html, rehype-stringify, remark, remark-parse, unified, rehype-raw, and unist-util-visit. Both are written in TypeScript.

# shiki vs astro

shiki and astro share 12 technologies: Solid, Vue, React, Vite, Svelte, hast-util-to-html, rehype-stringify, remark, remark-parse, unified, rehype-raw, and unist-util-visit. Both are written in TypeScript.

- [shikijs/shiki](https://seerepo.com/r/shikijs/shiki): A beautiful yet powerful syntax highlighter
- [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: Solid, Vue, React, Vite, Svelte, hast-util-to-html, rehype-stringify, remark, remark-parse, unified, rehype-raw, unist-util-visit
- Only in shiki: @shikijs/vscode-textmate, UnoCSS, markdown-exit, markdown-it, markdown-it-async, monaco-editor-core, hast-util-to-string, floating-vue, mdast-util-from-markdown, mdast-util-gfm, mdast-util-to-hast
- Only in astro: Hono, Express, Fastify, Preact, preact-render-to-string, prismjs, fast-xml-parser, xml2js, Zod, @clack/prompts, Cheerio, parse-srcset, shiki, sharp, linkedom, htmlparser2, satteri, @shikijs/rehype, rehype-mathjax, rehype-pretty-code, remark-math, remark-toc, Netlify, Vercel, yaml, vfile, mdast-util-mdx, mdast-util-mdx-jsx, remark-gfm, remark-smartypants, hast-util-to-text, unist-util-visit-parents

## Side by side

| | shiki | astro |
|---|---|---|
| Size | 34,016 lines written, 206 code files | 293,247 lines written, 1,041 code files |
| Who writes it | 0.1% of its commits signed by AI. With Cursor and GitHub Copilot | 0.2% of its commits signed by AI. With Claude Code, GitHub Copilot, and Cursor |
| Activity | Last push November 2, 2026, 2,543 commits, 13,919 stars | Last push November 5, 2026, 15,157 commits, 63,732 stars |
| Tests | 263 test files. 22.3% 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, shiki or astro?

astro, with 293,247 lines written; shiki has 34,016.

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

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

astro, with 63,732 stars; shiki has 13,919.

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

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

astro, with 3,163 test files; shiki has 263.

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

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

astro: its last push was on November 5, 2026, and shiki's on November 2, 2026.

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

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

astro: an AI signed 0.2% of its commits, with Claude Code, GitHub Copilot, and Cursor; in shiki, 0.1%.

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

## Sources

- shikijs/shiki: Read on November 9, 2026, at commit de15fd2 (https://github.com/shikijs/shiki/tree/de15fd2efb709ea4528d894ab857ac145f3dc277)
- 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.