Created by the LangChain team, LangGraph is your ticket to building controllable agents that don't just think but orchestrate like a symphony. It's a low-level framework designed to tackle challenging tasks, and with the LangGraph Platform, you get APIs and a visual studio to debug and scale like a pro. Let's take a look at what this bad boy can do.
What Does LangGraph Do
LangGraph enables you to build agents as graphs—nodes and edges that oversee everything from single-agent workflows to multi-agent chaos. It's all about control: think moderation loops, quality gates, and human-in-the-loop guidance. With built-in statefulness, your agents collaborate seamlessly, outlining plans and waiting for your stamp of approval to execute. The Platform offers APIs for state management, long-term memory, and background tasks—perfect for research or multi-step workflows.
LangGraph Pricing
Open-source LangGraph is available to try for free. Self-Hosted Lite is capped at 1M nodes, but Plus and Enterprise plans (contact sales) offer scalable servers and white-glove support. BYOC and Self-Hosted Enterprise keep your data on-prem.
LangGraph History
LangGraph emerged from LangChain’s labs, evolving over years into a standalone beast. It’s been battle-tested by giants like LinkedIn and Uber, refining its graph-based approach since the v0.1 tease in 2024. Recent Platform updates added Studio for visual debugging and scalable deployment options, cementing its rep as a production-ready titan by March 2025.
Summary
This LangGraph review demonstrates it's a heavyweight for agentic applications. Versatile, reliable, and feature-complete with stateful memory and scalable APIs, it's a developer's dream if they crave control. The free beta's a steal, but expect to pay for the big leagues later.
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