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a2ui vs bruno

a2ui and bruno share 9 technologies: React, OpenAI, jsonschema, Zod, js-yaml, Ajv, yaml, dompurify, and markdown-it. a2ui is written in TypeScript and bruno in JavaScript.

Read it as markdown

What they share and what sets them apart

a2ui-project

a2ui

Open-source generative UI framework: agents stream layout data, and apps render it with native components in React, Angular, Lit, Flutter, SwiftUI and Jetpack Compose.

TypeScript17kRead on November 7, 2026, at commit 07aa6a7What is a2ui built with?

Only in a2ui

In common

usebruno

bruno

Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)

JavaScript48.2kRead on November 5, 2026, at commit 23ba7e9What is bruno built with?

Only in bruno

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
a2ui662,704 lines written1,229 code files
bruno541,225 lines written1,761 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.
a2ui1.9% of its commits signed by AIWith Gemini CLI
bruno0.9% of its commits signed by AIWith Claude Code, GitHub Copilot, CodeRabbit, and Cursor
ActivityFrom GitHub and its history, on the day SeeRepo read it.
a2uiLast push November 7, 20261,810 commits17,001 stars
brunoLast push November 5, 20264,419 commits48,208 stars
TestsThe files that test the code, and the share of code files a test imports.
a2ui1,165 test files44.9% of its code files have a test that imports them
bruno1,307 test files25.8% of its code files have a test that imports them

Frequently asked questions

Which is bigger, a2ui or bruno?
a2ui, with 662,704 lines written; bruno has 541,225.

The proof: a2ui-project/a2ui's code at commit 07aa6a7

Which has more GitHub stars, a2ui or bruno?
bruno, with 48,208 stars; a2ui has 17,001.

The proof: usebruno/bruno on GitHub

Which has more tests, a2ui or bruno?
bruno, with 1,307 test files; a2ui has 1,165.

The proof: usebruno/bruno's code at commit 23ba7e9

Which was updated more recently, a2ui or bruno?
a2ui: its last push was on November 7, 2026, and bruno's on November 5, 2026.

The proof: a2ui-project/a2ui's commits on GitHub

Which has more commits signed by AI, a2ui or bruno?
a2ui: an AI signed 1.9% of its commits, with Gemini CLI; in bruno, 0.9%.

The proof: the commits each tool signed in a2ui-project/a2ui

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