Source: https://seerepo.com/compare/datawhalechina/hello-agents/vs/xszyou/Fay
Markdown source: https://seerepo.com/compare/datawhalechina/hello-agents/vs/xszyou/Fay.md
Description: hello-agents and Fay share 13 technologies: FastAPI, uvicorn, chromadb, SQLite, Flask, MCP, sentence-transformers, langchain-openai, LangGraph, openpyxl, python-docx, pdfplumber, and pillow. Both are written in Python.

# hello-agents vs Fay

hello-agents and Fay share 13 technologies: FastAPI, uvicorn, chromadb, SQLite, Flask, MCP, sentence-transformers, langchain-openai, LangGraph, openpyxl, python-docx, pdfplumber, and pillow. Both are written in Python.

- [datawhalechina/hello-agents](https://seerepo.com/r/datawhalechina/hello-agents): 📚 《从零开始构建智能体》——从零开始的智能体原理与实践教程
- [xszyou/Fay](https://seerepo.com/r/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。

## What they share and what sets them apart

- In common: FastAPI, uvicorn, chromadb, SQLite, Flask, MCP, sentence-transformers, langchain-openai, LangGraph, openpyxl, python-docx, pdfplumber, pillow
- Only in hello-agents: aiosqlite, asyncpg, psycopg2-binary, Postgres, Redis, libsql-client, oracledb, pymilvus, OpenAI, Qdrant, Hugging Face, python, React, react-dom, fastmcp, starlette, anyio, AIOHTTP, Streamlit, Vite, Vue, vue-router, react-router-dom, cycler, fonttools, soupsieve, contourpy, ipywidgets, Plotly, Gradio, matplotlib, Rich, seaborn, alembic, SQLAlchemy, python-jose, passlib, bcrypt, accelerate, bitsandbytes, camel-ai, mermaid, onnxruntime, peft, safetensors, tavily-python, textblob, tokenizers, hello-agents, torch, transformers, agentscope, scikit-learn, tiktoken, autogen-agentchat, autogen-ext, datasets, langdetect, paddlenlp, rank-bm25, spaCy, imaplib2, lxml, markdown, pdfminer.six, pypdf, reportlab, xlrd, feedparser, pymupdf, pypdf2, beautifulsoup4, jinja2, pymupdf4llm, annotated-types, email-validator, pydantic-core, Pydantic, jsonschema, kubernetes, OpenTelemetry, opentelemetry-exporter-otlp-proto-grpc, loguru, ant-design-vue, D3, @ant-design/icons-vue, katex, Tailwind CSS, markdown-it, vue-flow, @monaco-editor/loader, Chart.js, vue-chartjs, highlight.js, dompurify, marked, react-markdown, Element, vue-echarts, echarts, @element-plus/icons-vue, Leaflet, @amap/amap-jsapi-loader, html2canvas, jspdf
- Only in Fay: flask-cors, pygame, pyqt5, opencv-python, LangChain, azure-cognitiveservices-speech, edge-tts, bs4, python-pptx, psutil

## Side by side

| | hello-agents | Fay |
|---|---|---|
| Size | 226,661 lines written, 1,210 code files | 310,384 lines written, 88 code files |
| Who writes it | 2.4% of its commits signed by AI. With Codex, Cursor, and Claude Code | 9.9% of its commits signed by AI. With Claude Code |
| Activity | Last push October 13, 2026, 660 commits, 86,519 stars | Last push September 21, 2026, 304 commits, 13,611 stars |
| Tests | 99 test files. 6.9% of its code files have a test that imports them | 48 test files. 1.1% of its code files have a test that imports them |

- Size: Lines written by people and agents, without generated ones; code files, without tests.
- Who writes it: A commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
- Activity: From GitHub and its history, on the day SeeRepo read it.
- Tests: The files that test the code, and the share of code files a test imports.

## Frequently asked questions

### Which is bigger, hello-agents or Fay?

Fay, with 310,384 lines written; hello-agents has 226,661.

The proof: [xszyou/Fay's code at commit d49f476](https://github.com/xszyou/Fay/tree/d49f4769d46c2b5ece1fd15f0f1260afba7d2ccf)

### Which has more GitHub stars, hello-agents or Fay?

hello-agents, with 86,519 stars; Fay has 13,611.

The proof: [datawhalechina/hello-agents on GitHub](https://github.com/datawhalechina/hello-agents)

### Which has more tests, hello-agents or Fay?

hello-agents, with 99 test files; Fay has 48.

The proof: [datawhalechina/hello-agents's code at commit 36f583c](https://github.com/datawhalechina/hello-agents/tree/36f583c233ea5cee4537ef93455702b55053af18)

### Which was updated more recently, hello-agents or Fay?

hello-agents: its last push was on October 13, 2026, and Fay's on September 21, 2026.

The proof: [datawhalechina/hello-agents's commits on GitHub](https://github.com/datawhalechina/hello-agents/commits)

### Which has more commits signed by AI, hello-agents or Fay?

Fay: an AI signed 9.9% of its commits, with Claude Code; in hello-agents, 2.4%.

The proof: [the commits each tool signed in xszyou/Fay](https://seerepo.com/r/xszyou/Fay/ai)

## Sources

- datawhalechina/hello-agents: Read on November 9, 2026, at commit 36f583c (https://github.com/datawhalechina/hello-agents/tree/36f583c233ea5cee4537ef93455702b55053af18)
- xszyou/Fay: Read on November 9, 2026, at commit d49f476 (https://github.com/xszyou/Fay/tree/d49f4769d46c2b5ece1fd15f0f1260afba7d2ccf)

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.