LangChain Deep Agents alternatives

AutoGen specializes in building multi-agent conversational systems where AI agents can collaborate with each other and humans to solve complex tasks through dynamic conversations.

CrewAI is an open-source framework designed for orchestrating multi-agent workflows, allowing developers to define agents with specific roles, goals, and backstories for collaborative task execution.

LlamaIndex is a data-centric framework that excels at ingesting, indexing, and querying private or enterprise data to provide LLM applications and agents with relevant context for grounded reasoning.

Haystack is an open-source AI orchestration framework focused on building production-ready RAG systems and AI agents through a modular, pipeline-based architecture.

Semantic Kernel is Microsoft's lightweight, open-source SDK for integrating large language models and building AI agents across multiple programming languages (C#, Python, Java), with a strong focus on plugins and interoperability within the Microsoft ecosystem.