Why LangGraph?

LangChain focused more on:

• chains
• prompts
• tools
• RAG

LangChain agents become hard to control when:

• many tools
• loops
• retries
• memory
• human approval
• multi-agent systems

LangGraph is workflow/orchestration engine, it coordinate:

• which worker does what
• when retries happen
• which step comes next
• how memory is stored

LangGraph solve multi agents by: