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agent framework
Compare 26 agent frameworks and SDKs side by side. Install commands, feature lists, language support, and LLM compatibility — all in one place.
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The most popular agent frameworks and SDKs
Full-featured framework for building LLM applications with chains, agents, and retrieval. Supports tool calling, structured output, memory, and streaming across dozens of model providers.
pip install langchain langchain-openaiRole-playing multi-agent framework where you define agents with specific roles, goals, and backstories. Agents collaborate on tasks with configurable delegation and process flows.
pip install crewaiMicrosoft's framework for building multi-agent conversational systems. Agents converse with each other and humans to solve tasks through flexible conversation patterns.
pip install autogen-agentchatOfficial OpenAI SDK for building agents with tool use, handoffs, and guardrails. Lightweight, opinionated design with native support for OpenAI models and the Responses API.
pip install openai-agentsGoogle's framework for building AI agents with Gemini models. Supports multi-agent systems, tool use, session management, and deployment to Google Cloud with built-in evaluation.
pip install google-adkAnthropic's SDK for building custom agents powered by Claude. Provides programmatic access to Claude's agentic capabilities including tool use, computer use, and extended thinking.
npm install @anthropic-ai/claude-code