Source: https://seerepo.com/compare/datawhalechina/hello-agents/vs/pydantic/pydantic-ai
Markdown source: https://seerepo.com/compare/datawhalechina/hello-agents/vs/pydantic/pydantic-ai.md
Description: hello-agents and pydantic-ai share 10 technologies: FastAPI, anyio, Vite, React, Rich, Pydantic, OpenTelemetry, highlight.js, dompurify, and marked. Both are written in Python.

# hello-agents vs pydantic-ai

hello-agents and pydantic-ai share 10 technologies: FastAPI, anyio, Vite, React, Rich, Pydantic, OpenTelemetry, highlight.js, dompurify, and marked. 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
- [pydantic/pydantic-ai](https://seerepo.com/r/pydantic/pydantic-ai): How Python does AI. Agents, realtime voice, image generation, embeddings. Every model, every interface, typed end to end.

## What they share and what sets them apart

- In common: FastAPI, anyio, Vite, React, Rich, Pydantic, OpenTelemetry, highlight.js, dompurify, marked
- Only in hello-agents: uvicorn, aiosqlite, asyncpg, psycopg2-binary, Postgres, chromadb, Redis, SQLite, oracledb, pymilvus, OpenAI, Qdrant, Hugging Face, Flask, fastmcp, starlette, AIOHTTP, Streamlit, Vue, vue-router, react-router-dom, cycler, fonttools, contourpy, Plotly, Gradio, matplotlib, alembic, SQLAlchemy, bcrypt, accelerate, MCP, onnxruntime, peft, safetensors, tavily-python, tokenizers, torch, transformers, scikit-learn, sentence-transformers, tiktoken, datasets, langchain-openai, LangGraph, paddlenlp, rank-bm25, spaCy, lxml, markdown, openpyxl, pdfminer.six, pypdf, python-docx, reportlab, xlrd, pdfplumber, pillow, feedparser, pymupdf, beautifulsoup4, jinja2, annotated-types, email-validator, pydantic-core, jsonschema, opentelemetry-exporter-otlp-proto-grpc, loguru, D3, katex, Tailwind CSS, markdown-it, vue-flow, Chart.js, vue-chartjs, react-markdown, Element, echarts, Leaflet, Mermaid, html2canvas, jspdf
- Only in pydantic-ai: pydantic-ai-slim

## Side by side

| | hello-agents | pydantic-ai |
|---|---|---|
| Size | 226,661 lines written, 1,212 code files | 1,214,511 lines written, 1,068 code files |
| Who writes it | 2.4% of its commits signed by AI. With Codex, Cursor, and Claude Code | 7.7% of its commits signed by AI. With Claude Code, Devin, GitHub Copilot, Cursor, and Codex |
| Activity | Last push October 13, 2026, 660 commits, 86,039 stars | Last push November 5, 2026, 5,276 commits, 21,037 stars |
| Tests | 97 test files. 6.9% of its code files have a test that imports them | 1,214 test files. 19% 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 pydantic-ai?

pydantic-ai, with 1,214,511 lines written; hello-agents has 226,661.

The proof: [pydantic/pydantic-ai's code at commit c8bdab3](https://github.com/pydantic/pydantic-ai/tree/c8bdab333f248d09fa61cf32144fecad70e88fa9)

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

hello-agents, with 86,039 stars; pydantic-ai has 21,037.

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

### Which has more tests, hello-agents or pydantic-ai?

pydantic-ai, with 1,214 test files; hello-agents has 97.

The proof: [pydantic/pydantic-ai's code at commit c8bdab3](https://github.com/pydantic/pydantic-ai/tree/c8bdab333f248d09fa61cf32144fecad70e88fa9)

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

pydantic-ai: its last push was on November 5, 2026, and hello-agents's on October 13, 2026.

The proof: [pydantic/pydantic-ai's commits on GitHub](https://github.com/pydantic/pydantic-ai/commits)

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

pydantic-ai: an AI signed 7.7% of its commits, with Claude Code, Devin, GitHub Copilot, Cursor, and Codex; in hello-agents, 2.4%.

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

## Sources

- datawhalechina/hello-agents: Read on November 4, 2026, at commit 36f583c (https://github.com/datawhalechina/hello-agents/tree/36f583c233ea5cee4537ef93455702b55053af18)
- pydantic/pydantic-ai: Read on November 5, 2026, at commit c8bdab3 (https://github.com/pydantic/pydantic-ai/tree/c8bdab333f248d09fa61cf32144fecad70e88fa9)

## 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.