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ui vs new-api

ui and new-api share 15 technologies: React, Tailwind CSS, class-variance-authority, tailwind-merge, react-day-picker, input-otp, sonner, cmdk, react-resizable-panels, Lucide, shiki, Zod, Base UI, motion, and hugeicons. ui is written in TypeScript and new-api in Go.

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What they share and what sets them apart

cosscom

ui

coss.com/ui is the official design system of Cal.com

TypeScript10.8kRead on November 13, 2026, at commit fe6ffa8What is ui built with?

Only in ui

In common

QuantumNous

new-api

Open-source AI gateway. Self-hosted LLM gateway with OpenAI-, Claude- and Gemini-compatible APIs, model routing, access control, usage tracking and cost accounting.

Go51.9kRead on November 13, 2026, at commit b20e056What is new-api built with?

Only in new-api

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
ui160,398 lines written1,547 code files
new-api639,527 lines written2,070 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.
ui6.2% of its commits signed by AIWith Devin, Cursor, and Claude Code
new-api0.7% of its commits signed by AIWith Claude Code, CodeRabbit, Codex, Jules, and Cursor
ActivityFrom GitHub and its history, on the day SeeRepo read it.
uiLast push November 9, 20261,057 commits10,841 stars
new-apiLast push November 13, 20265,444 commits51,856 stars
TestsThe files that test the code, and the share of code files a test imports.
ui9 test files0.6% of its code files have a test that imports them
new-api571 test files41.4% of its code files have a test that imports them

Frequently asked questions

Which is bigger, ui or new-api?
new-api, with 639,527 lines written; ui has 160,398.

The proof: QuantumNous/new-api's code at commit b20e056

Which has more GitHub stars, ui or new-api?
new-api, with 51,856 stars; ui has 10,841.

The proof: QuantumNous/new-api on GitHub

Which has more tests, ui or new-api?
new-api, with 571 test files; ui has 9.

The proof: QuantumNous/new-api's code at commit b20e056

Which was updated more recently, ui or new-api?
new-api: its last push was on November 13, 2026, and ui's on November 9, 2026.

The proof: QuantumNous/new-api's commits on GitHub

Which has more commits signed by AI, ui or new-api?
ui: an AI signed 6.2% of its commits, with Devin, Cursor, and Claude Code; in new-api, 0.7%.

The proof: the commits each tool signed in cosscom/ui

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