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SYS · ONLINEUPTIME · 100%2026 · operator-owned
RUNLOCALAI · v38
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agent
Open source
free

LangGraph

Graph-based agentic orchestration from the LangChain team. State machines for LLM workflows — nodes are functions/agents, edges are transitions (conditional or fixed), state persists across nodes. Designed for the cases where a free-form chat between agents is the wrong abstraction and you actually want a deterministic flow with LLM-driven branch points. Pairs naturally with LangChain's tool + retriever ecosystem. Has first-class support for human-in-the-loop checkpointing, which is rare in this space.

By Fredoline Eruo·Last verified May 13, 2026·12,000 GitHub stars

Overview

Graph-based agentic orchestration from the LangChain team. State machines for LLM workflows — nodes are functions/agents, edges are transitions (conditional or fixed), state persists across nodes. Designed for the cases where a free-form chat between agents is the wrong abstraction and you actually want a deterministic flow with LLM-driven branch points. Pairs naturally with LangChain's tool + retriever ecosystem. Has first-class support for human-in-the-loop checkpointing, which is rare in this space.

Pros

  • Deterministic flow control — easier to reason about than free-form multi-agent
  • Native checkpoint / replay / human-in-the-loop primitives
  • Composes with the whole LangChain ecosystem (retrievers, tools, parsers)
  • Streaming-first design — partial outputs propagate through the graph

Cons

  • Steeper learning curve than CrewAI for the first 'hello world'
  • Carries LangChain's surface-area baggage even when you don't need it
  • API still evolving; pin versions in production

Compatibility

Operating systems
linux
macos
windows
GPU backends
cuda
rocm
metal
cpu
LicenseOpen source · free

Runtime health

Operator-grade signals on how actively LangGraph is being maintained, how fresh its measurements are, and what failure classes operators have flagged. Every label below is anchored to a real date or count — we never infer maintainer activity we can't show.

Release cadence

Derived from the most recent editorial signal on this row.

Active
Updated May 13, 2026

1 days since last refresh · source: lastUpdated

Benchmark freshness

How recent the editorial measurements on this runtime are.

0editorial benchmarks

No editorial benchmarks for this runtime yet.

Community reproduction

Submissions that match an editorial measurement on similar hardware.

0reproduced reports

No community reproductions on file yet.

Get LangGraph

Official site
https://langchain-ai.github.io/langgraph/
GitHub
https://github.com/langchain-ai/langgraph

Frequently asked

Is LangGraph free?

Yes — LangGraph is free to download and use and open-source under a permissive license.

What operating systems does LangGraph support?

LangGraph supports linux, macos, windows.

Which GPUs work with LangGraph?

LangGraph supports cuda, rocm, metal, cpu. CPU-only inference is also possible but slow.
See something off?Report outdated·Suggest a correctionWe read every submission. Editorial review takes 1-7 days.

Reviewed by RunLocalAI Editorial. See our editorial policy for how we evaluate tools.

Related — keep moving

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Buyer guides
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When it doesn't work
  • Ollama running slow →
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Recommended hardware
  • RTX 3090 (used 24 GB) →
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Before you buy

Verify LangGraph runs on your specific hardware before committing money.

Will it run on my hardware? →Custom hardware comparison →GPU recommender (4 questions) →