Agents & frameworks · A-tier

LangGraph

Graph runtime for controllable agents, from the LangChain team. Use it when the workflow has branches.

Best for

Agents that need explicit steps, branches, and human approval.

What it is

LangGraph is a graph runtime for agents from the LangChain team. You model steps, branches, and pauses instead of one long prompt. It is the pick when an agent has to be inspectable. The open-source library is free; the hosted platform is not.

open-sourceorchestrationagentsAgents & frameworks

Score breakdown

Capability 40%90
Ease 25%68
Value 20%86
Momentum 15%90

Pricing

Free

Starting price: $0

The library is open source. LangGraph Platform hosting is a separate paid product. Check the site.

Dates

Released 2024 (year precision).

Added to StackPick 14 Oct 2026.

Alternatives

A-tier · 83

LangChain

Application code that needs tools, retrieval, and a large example ecosystem.

A-tier · 80

CrewAI

Role-based multi-agent demos and workflows you want to read as a crew.

A-tier · 81

Pydantic AI

Python services that want typed tool-calling agents.

Comparisons

vs CrewAI

Questions

What is LangGraph best for?

Agents that need explicit steps, branches, and human approval.

How much does LangGraph cost?

Free. Starting price: $0. The library is open source. LangGraph Platform hosting is a separate paid product. Check the site.

What are alternatives to LangGraph?

LangChain, CrewAI, Pydantic AI are the alternatives we file next to it. Open a comparison when one exists.