Source: https://seerepo.com/compare/ashishpatel26/500-AI-Agents-Projects/vs/langchain-ai/langchain
Markdown source: https://seerepo.com/compare/ashishpatel26/500-AI-Agents-Projects/vs/langchain-ai/langchain.md
Description: 500-AI-Agents-Projects and langchain share 5 technologies: langchain-openai, LangChain, LangGraph, langchain-text-splitters, and Pydantic. Both are written in Python.

# 500-AI-Agents-Projects vs langchain

500-AI-Agents-Projects and langchain share 5 technologies: langchain-openai, LangChain, LangGraph, langchain-text-splitters, and Pydantic. Both are written in Python.

- [ashishpatel26/500-AI-Agents-Projects](https://seerepo.com/r/ashishpatel26/500-AI-Agents-Projects): The 500 AI Agents Projects is a curated collection of AI agent use cases across various industries. It showcases practical applications and provides links to open-source projects for implementation, illustrating how AI agents are transforming sectors such as healthcare, finance, education, retail, and more.
- [langchain-ai/langchain](https://seerepo.com/r/langchain-ai/langchain): The agent engineering platform.

## What they share and what sets them apart

- In common: langchain-openai, LangChain, LangGraph, langchain-text-splitters, Pydantic
- Only in 500-AI-Agents-Projects: fastmcp, Vite, React, faiss-cpu, llama-index-embeddings-openai, CrewAI, langchain-community, langchain-experimental, llama-index, llama-index-llms-openai, openpyxl, pypdf, Lucide
- Only in langchain: chromadb, OpenAI, AIOHTTP, SQLAlchemy, langsmith, tiktoken, exa-py, Ollama, groq, pillow

## Side by side

| | 500-AI-Agents-Projects | langchain |
|---|---|---|
| Size | 4,729 lines written, 28 code files | 426,036 lines written, 1,654 code files |
| Who writes it | 5.5% of its commits signed by AI. With Claude Code and GitHub Copilot | 0.3% of its commits signed by AI. With GitHub Copilot, Claude Code, and Gemini CLI |
| Activity | Last push November 6, 2026, 55 commits, 39,334 stars | Last push November 4, 2026, 17,017 commits, 148,995 stars |
| Tests | 0 test files | 895 test files. 16.4% 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, 500-AI-Agents-Projects or langchain?

langchain, with 426,036 lines written; 500-AI-Agents-Projects has 4,729.

The proof: [langchain-ai/langchain's code at commit aa2528f](https://github.com/langchain-ai/langchain/tree/aa2528fb980a290d2b06c83a1be43e60bc2348f9)

### Which has more GitHub stars, 500-AI-Agents-Projects or langchain?

langchain, with 148,995 stars; 500-AI-Agents-Projects has 39,334.

The proof: [langchain-ai/langchain on GitHub](https://github.com/langchain-ai/langchain)

### Which has more tests, 500-AI-Agents-Projects or langchain?

langchain, with 895 test files.

The proof: [langchain-ai/langchain's code at commit aa2528f](https://github.com/langchain-ai/langchain/tree/aa2528fb980a290d2b06c83a1be43e60bc2348f9)

### Which was updated more recently, 500-AI-Agents-Projects or langchain?

500-AI-Agents-Projects: its last push was on November 6, 2026, and langchain's on November 4, 2026.

The proof: [ashishpatel26/500-AI-Agents-Projects's commits on GitHub](https://github.com/ashishpatel26/500-AI-Agents-Projects/commits)

### Which has more commits signed by AI, 500-AI-Agents-Projects or langchain?

500-AI-Agents-Projects: an AI signed 5.5% of its commits, with Claude Code and GitHub Copilot; in langchain, 0.3%.

## Sources

- ashishpatel26/500-AI-Agents-Projects: Read on November 6, 2026, at commit e48f78c (https://github.com/ashishpatel26/500-AI-Agents-Projects/tree/e48f78ccf182746d4f01e2093fe2ccd884269656)
- langchain-ai/langchain: Read on November 4, 2026, at commit aa2528f (https://github.com/langchain-ai/langchain/tree/aa2528fb980a290d2b06c83a1be43e60bc2348f9)

## 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.