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llama_index vs Fay

llama_index and Fay share 10 technologies: SQLite, chromadb, opencv-python, LangChain, MCP, sentence-transformers, pillow, bs4, pdfplumber, and psutil. Both are written in Python.

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What they share and what sets them apart

run-llama

llama_index

LlamaIndex is the document processing platform for AI

Python52.9kRead on November 10, 2026, at commit fe107aaWhat is llama_index built with?

Only in llama_index

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.
llama_index473,236 lines written2,055 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.
llama_index0.2% of its commits signed by AIWith Claude Code, Cursor, and GitHub Copilot
Fay9.9% of its commits signed by AIWith Claude Code
ActivityFrom GitHub and its history, on the day SeeRepo read it.
llama_indexLast push November 8, 20267,964 commits52,863 stars
FayLast push September 21, 2026304 commits13,611 stars
TestsThe files that test the code, and the share of code files a test imports.
llama_index1,607 test files46.5% 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, llama_index or Fay?
llama_index, with 473,236 lines written; Fay has 310,384.

The proof: run-llama/llama_index's code at commit fe107aa

Which has more GitHub stars, llama_index or Fay?
llama_index, with 52,863 stars; Fay has 13,611.

The proof: run-llama/llama_index on GitHub

Which has more tests, llama_index or Fay?
llama_index, with 1,607 test files; Fay has 48.

The proof: run-llama/llama_index's code at commit fe107aa

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

The proof: run-llama/llama_index's commits on GitHub

Which has more commits signed by AI, llama_index or Fay?
Fay: an AI signed 9.9% of its commits, with Claude Code; in llama_index, 0.2%.

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

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