heroui vs storybook

heroui and storybook share 4 technologies: React, react-aria-components, react-aria, and Radix UI. Both are written in TypeScript.

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What they share and what sets them apart

heroui-inc

heroui

🚀 Beautiful, fast and modern React UI library. (Previously NextUI)

TypeScript31.2kRead on November 7, 2026, at commit 68b7422What is heroui built with?

Only in heroui

In common

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

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
heroui183,194 lines written407 code files
storybook729,169 lines written2,969 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.
heroui3.3% of its commits signed by AIWith Cursor, CodeRabbit, and Claude Code
storybook40% of its commits signed by AIWith Claude Code, Cursor, GitHub Copilot, CodeRabbit, Codex, and Amp
ActivityFrom GitHub and its history, on the day SeeRepo read it.
herouiLast push November 7, 20263,835 commits31,152 stars
storybookLast push November 4, 202663,422 commits91,452 stars
TestsThe files that test the code, and the share of code files a test imports.
heroui158 test files20.6% of its code files have a test that imports them
storybook1,128 test files35.9% of its code files have a test that imports them

Frequently asked questions

Which is bigger, heroui or storybook?
storybook, with 729,169 lines written; heroui has 183,194.

The proof: storybookjs/storybook's code at commit f6d12ac

Which has more GitHub stars, heroui or storybook?
storybook, with 91,452 stars; heroui has 31,152.

The proof: storybookjs/storybook on GitHub

Which has more tests, heroui or storybook?
storybook, with 1,128 test files; heroui has 158.

The proof: storybookjs/storybook's code at commit f6d12ac

Which was updated more recently, heroui or storybook?
heroui: its last push was on November 7, 2026, and storybook's on November 4, 2026.

The proof: heroui-inc/heroui's commits on GitHub

Which has more commits signed by AI, heroui or storybook?
storybook: an AI signed 40% of its commits, with Claude Code, Cursor, GitHub Copilot, CodeRabbit, Codex, and Amp; in heroui, 3.3%.

The proof: the commits each tool signed in storybookjs/storybook

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