UI-TARS-desktop vs quasar

UI-TARS-desktop and quasar share 8 technologies: Electron, Hono, Express, MCP, sharp, Zod, @clack/prompts, and @hono/node-server. UI-TARS-desktop is written in TypeScript and quasar in JavaScript.

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What they share and what sets them apart

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
UI-TARS-desktop194,656 lines written1,137 code files
quasar480,826 lines written1,278 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.
UI-TARS-desktop0.1% of its commits signed by AIWith Claude Code
quasar0.2% of its commits signed by AIWith Claude Code and GitHub Copilot
ActivityFrom GitHub and its history, on the day SeeRepo read it.
UI-TARS-desktopLast push October 9, 20261,113 commits39,566 stars
quasarLast push November 5, 202616,654 commits27,202 stars
TestsThe files that test the code, and the share of code files a test imports.
UI-TARS-desktop161 test files10.9% of its code files have a test that imports them
quasar628 test files41.5% of its code files have a test that imports them

Frequently asked questions

Which is bigger, UI-TARS-desktop or quasar?
quasar, with 480,826 lines written; UI-TARS-desktop has 194,656.

The proof: quasarframework/quasar's code at commit 40eefd7

Which has more GitHub stars, UI-TARS-desktop or quasar?
UI-TARS-desktop, with 39,566 stars; quasar has 27,202.

The proof: bytedance/UI-TARS-desktop on GitHub

Which has more tests, UI-TARS-desktop or quasar?
quasar, with 628 test files; UI-TARS-desktop has 161.

The proof: quasarframework/quasar's code at commit 40eefd7

Which was updated more recently, UI-TARS-desktop or quasar?
quasar: its last push was on November 5, 2026, and UI-TARS-desktop's on October 9, 2026.

The proof: quasarframework/quasar's commits on GitHub

Which has more commits signed by AI, UI-TARS-desktop or quasar?
quasar: an AI signed 0.2% of its commits, with Claude Code and GitHub Copilot; in UI-TARS-desktop, 0.1%.

The proof: the commits each tool signed in quasarframework/quasar

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