Compare AI Coding Tools

Comparing 3 tools side by side

Comparison	LangGraph✓ Graph-based framework for controllable, stateful AI agents Open Source	LangChain✓ Open-source framework for LLM apps with LangSmith observability Open Source	AutoGen✓ Open-source multi-agent framework (Python/.NET) with AgentChat and Studio Open Source
Category	AI Framework/Library	AI Framework/Library	AI Framework/Library
Pricing	Free (Open Source): $0	Free (Open Source): $0 LangSmith Developer: Free (1 seat, 5k traces/month included) LangSmith Plus: $39/user/month (up to 10 seats, 10k traces/month included) LangSmith Enterprise: Contact sales	Free (open source): $0 (BYO model API keys)
AI Models	Any LLM	Any LLM via unified interface	OpenAI and Azure OpenAI models (GPT-4.1, GPT-4o family)Anthropic Claude (experimental)Google Gemini via OpenAI-compatible APILocal models via Ollama or OpenAI-compatible servers
Context Window	Depends on model	Depends on model	Depends on chosen model/provider
Capabilities	Documentation Agentic Mode	Documentation Chat Agentic Mode	Documentation Chat Agentic Mode
Platforms	All platforms	All platforms	macOSWindowsLinux
Languages	PythonJavaScript/TypeScript	PythonJavaScript/TypeScript	Python.NET
Open Source	Yes	Yes	Yes
GitHub Stars	21,900	121,000Most	52,294
Users	Growing community	Hundreds of thousands of developers	N/A
Rating	N/A	N/A	N/A
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