open-webui vs Fay

open-webui and Fay share 12 technologies: FastAPI, SQLite, chromadb, MCP, uvicorn, LangChain, sentence-transformers, openpyxl, python-docx, pillow, python-pptx, and psutil. open-webui is written in Svelte and Fay in Python.

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What they share and what sets them apart

open-webui

open-webui

User-friendly AI Interface (Supports Ollama, OpenAI API, ...)

Svelte158.1kRead on November 9, 2026, at commit b0e6098What is open-webui built with?

Only in open-webui

In common

xszyou

Fay

fay是一个帮助数字人(2.5d、3d、移动、pc、网页)或大语言模型(openai兼容、deepseek)连通业务系统的agent框架。

Python13.6kRead on November 9, 2026, at commit d49f476What is Fay built with?

Only in Fay

Side by side

SizeLines written by people and agents, without generated ones; code files, without tests.
open-webui419,491 lines written1,158 code files
Fay310,384 lines written88 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.
open-webui1.3% of its commits signed by AIWith Claude Code, Aider, Jules, GitHub Copilot, and Cursor
Fay9.9% of its commits signed by AIWith Claude Code
ActivityFrom GitHub and its history, on the day SeeRepo read it.
open-webuiLast push November 8, 202617,246 commits158,145 stars
FayLast push September 21, 2026304 commits13,611 stars
TestsThe files that test the code, and the share of code files a test imports.
open-webui4 test files0.2% of its code files have a test that imports them
Fay48 test files1.1% of its code files have a test that imports them

Frequently asked questions

Which is bigger, open-webui or Fay?
open-webui, with 419,491 lines written; Fay has 310,384.

The proof: open-webui/open-webui's code at commit b0e6098

Which has more GitHub stars, open-webui or Fay?
open-webui, with 158,145 stars; Fay has 13,611.

The proof: open-webui/open-webui on GitHub

Which has more tests, open-webui or Fay?
Fay, with 48 test files; open-webui has 4.

The proof: xszyou/Fay's code at commit d49f476

Which was updated more recently, open-webui or Fay?
open-webui: its last push was on November 8, 2026, and Fay's on September 21, 2026.

The proof: open-webui/open-webui's commits on GitHub

Which has more commits signed by AI, open-webui or Fay?
Fay: an AI signed 9.9% of its commits, with Claude Code; in open-webui, 1.3%.

The proof: the commits each tool signed in xszyou/Fay

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