The best Deep Agents alternatives
6 tools that do a similar job to Deep Agents, 6 of them open source. Each entry says what it does and who it suits, so you can pick the one that fits instead of the most famous.
You're replacing
Deep AgentsAn open-source Python agent harness for multi-step AI work, built on LangGraph.
- 1
LangGraph
Open source · MIT · ★ 44.3k
A Python framework for building long-running agents that keep state and can resume after failures.
Best for: Python developers building multi-step AI agents that must survive failures or long waits; Teams that want fine-grained control over agent state and execution flow
- 2
LangChain
Open source · MIT · ★ 149k
A Python framework for building AI agents and apps powered by language models.
Best for: Python developers building LLM-powered applications; Teams that want to switch between model providers without rewriting code
- 3
CrewAI
Open source · MIT · ★ 60.4k
Python framework for building teams of role-playing AI agents that work together on tasks.
Best for: Python developers prototyping multi-agent workflows; Teams that want role-based agents collaborating on a task
- 4
Pydantic AI
Open source · MIT · ★ 21k
A typed Python SDK for building AI agents that work with many LLM providers.
Best for: Python developers building LLM-powered features that need structured, typed output; Teams that want to swap or fall back between model providers without rewriting code
- 5
OpenAI Agents SDK
Open source · MIT · ★ 30.5k
A Python SDK for building AI agents that use tools, hand off tasks, and keep conversation history.
Best for: Python developers building multi-step AI workflows; Teams that want agents to call tools and delegate work to other agents
- 6
LEANN
Open source · MIT · ★ 13.8k
Local semantic search over your own files and chats, using far less storage than typical vector databases.
Best for: Developers building a private RAG prototype on a personal machine; People who want to semantically search their own files or notes locally
How we pick: tools in the same category that solve the same problem, projects that name each other as alternatives, and open-source projects that describe themselves as an alternative to Deep Agents. We don't take payment for placement.