Source: https://seerepo.com/compare/PlasmoHQ/plasmo/vs/storybookjs/storybook
Markdown source: https://seerepo.com/compare/PlasmoHQ/plasmo/vs/storybookjs/storybook.md
Description: plasmo and storybook share 3 technologies: React, Vue, and Svelte. Both are written in TypeScript.

# plasmo vs storybook

plasmo and storybook share 3 technologies: React, Vue, and Svelte. Both are written in TypeScript.

- [PlasmoHQ/plasmo](https://seerepo.com/r/PlasmoHQ/plasmo): 🧩 The Browser Extension Framework
- [storybookjs/storybook](https://seerepo.com/r/storybookjs/storybook): Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation

## What they share and what sets them apart

- In common: React, Vue, Svelte
- Only in plasmo: sharp, lightningcss
- Only in storybook: Vite, react-router-dom, store2, polka, Angular, ember-source, Next.js, Preact, react-native, TanStack, Lit, @angular/platform-browser-dynamic, srvx, @next/env, Radix UI, Storybook, tmcp, valibot, @standard-schema/spec, @tmcp/adapter-valibot, @neoconfetti/react, @react-aria/live-announcer, polished, emotion, react-aria, react-aria-components, @react-types/shared, react-stately, react-transition-state, @clack/prompts, downshift, react-helmet-async, react-joyride, @devtools-ds/object-inspector, react-inspector, react-syntax-highlighter, react-textarea-autosize, use-resize-observer, ansi-to-html, yaml, EJS, js-yaml, mdast-util-from-markdown, mdast-util-mdx, mdast-util-mdx-jsx, micromark-extension-mdxjs, qrcode.react, prop-types, Zod, postcss-load-config, styled-jsx, probe-image-size, entities, @microsoft/fast-element

## Side by side

| | plasmo | storybook |
|---|---|---|
| Size | 14,352 lines written, 203 code files | 732,628 lines written, 2,806 code files |
| Who writes it | 0% of its commits signed by AI | 40% of its commits signed by AI. With Claude Code, Cursor, GitHub Copilot, CodeRabbit, Codex, and Amp |
| Activity | Last push November 9, 2026, 976 commits, 13,176 stars | Last push November 9, 2026, 63,535 commits, 91,498 stars |
| Tests | 1 test files. 1% of its code files have a test that imports them | 1,438 test files. 38.7% 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, plasmo or storybook?

storybook, with 732,628 lines written; plasmo has 14,352.

The proof: [storybookjs/storybook's code at commit f590e0e](https://github.com/storybookjs/storybook/tree/f590e0ef2431d1c440df3848a786000e1fc819c9)

### Which has more GitHub stars, plasmo or storybook?

storybook, with 91,498 stars; plasmo has 13,176.

The proof: [storybookjs/storybook on GitHub](https://github.com/storybookjs/storybook)

### Which has more tests, plasmo or storybook?

storybook, with 1,438 test files; plasmo has 1.

The proof: [storybookjs/storybook's code at commit f590e0e](https://github.com/storybookjs/storybook/tree/f590e0ef2431d1c440df3848a786000e1fc819c9)

### Which was updated more recently, plasmo or storybook?

Both got their last push on November 9, 2026.

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

### Which has more commits signed by AI, plasmo or storybook?

storybook: an AI signed 40% of its commits, with Claude Code, Cursor, GitHub Copilot, CodeRabbit, Codex, and Amp.

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

## Sources

- PlasmoHQ/plasmo: Read on November 10, 2026, at commit 9369e28 (https://github.com/PlasmoHQ/plasmo/tree/9369e2835de237caa60620b74b12ea3e2d4f3600)
- storybookjs/storybook: Read on November 9, 2026, at commit f590e0e (https://github.com/storybookjs/storybook/tree/f590e0ef2431d1c440df3848a786000e1fc819c9)

## 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.