Smolagents
Lightweight Hugging Face agent framework where LLMs write code to use tools
Why choose Smolagents
Smolagents is a lightweight open-source agent framework from Hugging Face designed to be minimal and easy to understand. It implements code-first agents where the LLM writes Python code to call tools (rather than JSON), making agents more powerful and less prone to formatting errors, with full Hugging Face ecosystem support.
- Extremely simple codebase
- Code actions reduce formatting errors
- Native HuggingFace integration
- Great for learning
Where it falls short
- Less feature-rich than LangChain
- Still maturing
- Smaller community
Best for these users
Pricing overview
Open-source and free. Requires your own LLM API or Hugging Face account.
Check current pricing →Key features
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The verdict
Smolagents is a solid choice for ml practitioners who need extremely simple codebase. At free, it delivers good value. Main caveat: less feature-rich than langchain. Compare with alternatives before committing.