storybook vs vitest
storybook and vitest share 4 technologies: Vite, Vue, @standard-schema/spec, and ansi-to-html. Both are written in TypeScript.
LinkedInWhat they share and what sets them apart
storybookjs
storybook
Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation
TypeScript91.5kRead on November 4, 2026, at commit f6d12acWhat is storybook built with?Only in storybook
- React
react-router-dom
polka
- Angular
- Next.js
- Preact
react-native
- Svelte
- TanStack
- Lit
- Radix UI
valibot
emotion
react-aria
@clack/prompts
downshift
- react-helmet-async
react-syntax-highlighter
- react-textarea-autosize
use-resize-observer
yaml
- 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
- entities
In common
- Vite
- Vue
@standard-schema/spec
- ansi-to-html
vitest-dev
vitest
Next generation testing framework powered by Vite.
TypeScript17.3kRead on November 7, 2026, at commit f21f224What is vitest built with?Only in vitest
vue-router
- pngjs
- UnoCSS
floating-vue
- codemirror
splitpanes
vue-virtual-scroller
prompts
@edge-runtime/vm
Side by side
storybookvitest
SizeLines written by people and agents, without generated ones; code files, without tests.
storybook729,169 lines written2,969 code files
vitest233,543 lines written594 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.
storybook40% of its commits signed by AIWith Claude Code, Cursor, GitHub Copilot, CodeRabbit, Codex, and Amp
vitest3.2% of its commits signed by AIWith Claude Code, Codex, GitHub Copilot, and Cursor
ActivityFrom GitHub and its history, on the day SeeRepo read it.
storybookLast push November 4, 202663,422 commits91,452 stars
vitestLast push November 6, 20266,421 commits17,341 stars
TestsThe files that test the code, and the share of code files a test imports.
storybook1,128 test files35.9% of its code files have a test that imports them
vitest1,662 test files12.6% of its code files have a test that imports them
Frequently asked questions
Which is bigger, storybook or vitest?
storybook, with 729,169 lines written; vitest has 233,543.
Which has more GitHub stars, storybook or vitest?
storybook, with 91,452 stars; vitest has 17,341.
The proof: storybookjs/storybook on GitHub
Which has more tests, storybook or vitest?
vitest, with 1,662 test files; storybook has 1,128.
The proof: vitest-dev/vitest's code at commit f21f224
Which was updated more recently, storybook or vitest?
vitest: its last push was on November 6, 2026, and storybook's on November 4, 2026.
The proof: vitest-dev/vitest's commits on GitHub
Which has more commits signed by AI, storybook or vitest?
storybook: an AI signed 40% of its commits, with Claude Code, Cursor, GitHub Copilot, CodeRabbit, Codex, and Amp; in vitest, 3.2%.
The proof: the commits each tool signed in storybookjs/storybook
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