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LangGraph review (2026): pricing, features and alternatives
AI agent framework · langchain.com
LangGraph at a glance
LangGraph is an AI agent framework that is free and open source, best for stateful long-running agents with fine control.
- What it is
- Low-level orchestration framework from LangChain for building stateful agents as graphs with durable execution.
- What it costs
- Free (open source). Free; pay for model API usage and optional LangSmith hosting. Free LangSmith tier
- Who it's for
- Stateful long-running agents with fine control · Developers
- How it compares
- All 8 AI agent frameworks on Klyvoo are free to start
- Pricing checked
- October 2026 on langchain.com
Our verdict
LangGraph gives you fine control over agent state, memory and human-in-the-loop steps, which suits teams building production agents. It is lower level than most options, so beginners may want a simpler framework first.
Pros
- Durable execution that recovers from failures
- Built-in human-in-the-loop and memory
- Python and JS/TS versions under MIT
Cons
- Low-level API takes time to learn
- Hosted deployment needs the paid LangSmith Plus plan or higher
- Deployment billing is usage-based and harder to predict
LangGraph pricing
| Option | Price | What you get |
|---|---|---|
| LangGraph (open source) | Free | MIT-licensed framework you self-host; you pay your model provider |
| LangSmith Developer | $0 per seat/month | 1 seat, up to 5,000 base traces/month, no deployment access |
| LangSmith Plus | $39 per seat/month | Up to 10k base traces/month, 1 free small serverless deployment, email and Slack support |
| LangSmith Enterprise | Custom | Self-hosted and hybrid deployment, SSO, support SLA |
https://www.langchain.com/pricing
LangGraph alternatives
| Agent | Starting price | Pricing model | Best for | Compare |
|---|---|---|---|---|
| LangGraph | Free (open source) | Free; pay for model API usage and optional LangSmith hosting | Stateful long-running agents with fine control | This page |
| CrewAI | Free (open source) | Free; pay for model API usage and optional CrewAI AMP plan | Role-based multi-agent teams and workflows | CrewAI review |
| OpenAI Agents SDK | Free (open source) | Free; pay for model API usage | Lightweight multi-agent apps with handoffs | OpenAI Agents SDK review |
| Claude Agent SDK | Free SDK; pay for Claude API use | Free SDK; pay for Claude API usage | Agents that read files, run commands and edit code | Claude Agent SDK review |
| Microsoft Agent Framework | Free (open source) | Free; pay for model API usage and any Azure hosting | .NET and Python teams building production agents | Microsoft Agent Framework review |
| Google Agent Development Kit (ADK) | Free (open source) | Free; pay for model API usage and any cloud hosting | Multi-language agents with easy Google Cloud deployment | Google Agent Development Kit (ADK) review |
LangGraph head-to-head comparisons
LangGraph FAQ
Is LangGraph free?
Yes. LangGraph is open source under the MIT license. You pay for model API usage, and hosted deployment on LangSmith is paid (Plus is $39 per seat/month).
What languages does LangGraph support?
Python and JavaScript/TypeScript (LangGraph.js).
What is LangGraph best for?
Long-running, stateful agents that mix hand-coded steps with LLM-driven steps and need memory, recovery and human review.
What are the best LangGraph alternatives?
CrewAI, OpenAI Agents SDK, Claude Agent SDK, Microsoft Agent Framework, Google Agent Development Kit, LlamaIndex and Mastra.