OpenViking vs nicegui

OpenViking and nicegui share 8 technologies: FastAPI, AIOHTTP, uvicorn, jinja2, Pydantic, @codemirror/theme-one-dark, CodeMirror, and three. Both are written in Python.

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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.
OpenViking1,152,111 lines written2,091 code files
nicegui121,853 lines written636 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.
OpenViking8.2% of its commits signed by AIWith Claude Code, Cursor, Codex, and GitHub Copilot
nicegui7% of its commits signed by AIWith Claude Code, GitHub Copilot, and Codex
ActivityFrom GitHub and its history, on the day SeeRepo read it.
OpenVikingLast push November 6, 20263,138 commits41,668 stars
niceguiLast push November 6, 20266,085 commits16,331 stars
TestsThe files that test the code, and the share of code files a test imports.
OpenViking1,410 test files56.1% of its code files have a test that imports them
nicegui151 test files6.8% of its code files have a test that imports them

Frequently asked questions

Which is bigger, OpenViking or nicegui?
OpenViking, with 1,152,111 lines written; nicegui has 121,853.

The proof: volcengine/OpenViking's code at commit a5f08d1

Which has more GitHub stars, OpenViking or nicegui?
OpenViking, with 41,668 stars; nicegui has 16,331.

The proof: volcengine/OpenViking on GitHub

Which has more tests, OpenViking or nicegui?
OpenViking, with 1,410 test files; nicegui has 151.

The proof: volcengine/OpenViking's code at commit a5f08d1

Which was updated more recently, OpenViking or nicegui?
Both got their last push on November 6, 2026.

The proof: zauberzeug/nicegui's commits on GitHub

Which has more commits signed by AI, OpenViking or nicegui?
OpenViking: an AI signed 8.2% of its commits, with Claude Code, Cursor, Codex, and GitHub Copilot; in nicegui, 7%.

The proof: the commits each tool signed in volcengine/OpenViking

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