LangGraph

Overview

LangGraph models agents as state machines: cycles, branches, persistence, and human-in-the-loop are first-class. It is the most widely adopted framework for production agents that need reliability, retries, and long-running state.

Key features

• Graph-based agent state machines
• Built-in persistence and checkpointing
• Human-in-the-loop interrupts
• LangSmith tracing and evals
• LangGraph Platform for deployment

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