Lightweight Frameworks
Minimal frameworks with low abstraction and easy integration
4 frameworks in this category
OpenAI SwarmOfficial
LightweightLightweight multi-agent orchestration framework from OpenAI. Explores ergonomic patterns for handoffs and routines with minimal abstraction over the Chat Completions API.
Python
by OpenAI18.9k6 features
pip install git+https://github.com/openai/swarm.gitsmolagentsOfficial
LightweightHugging Face's minimal agent library focused on code-first agent design. Agents write and execute Python code to accomplish tasks rather than using JSON tool calls.
Python
by Hugging Face14.2k8 features
pip install smolagentsLightweight
Structured extraction library that patches LLM clients to return Pydantic models. Simple API for reliable structured output with automatic retries and validation.
PythonTypeScriptRubyGoElixir
by Jason Liu9.6k8 features
pip install instructorPydanticAIOfficial
LightweightType-safe agent framework built on Pydantic. Brings data validation to LLM interactions with structured responses, dependency injection, and model-agnostic design.
Python
by Pydantic8.9k8 features
pip install pydantic-ai