# LangGraph

Build stateful, multi-agent apps as graphs. LangGraph is free, with no paid plan attached, at langchain.com.

## Facts

- **Pricing tier:** Free
- **Works on:** API, Self-hosted, CLI
- **Works in browser:** No

## Capabilities

- Build stateful, multi-agent apps as graphs
- Human-in-the-loop and durable execution
- Works with any LLM
- Open-source with a hosted platform

## FAQ

### What is LangGraph?

LangGraph is listed under Agent Frameworks (Developers), in the AI Agents & Automation category on Flocci AI Tools. Build stateful, multi-agent apps as graphs. It is free, with no paid plan attached, and it lives at langchain.com.

### Is LangGraph free?

LangGraph is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 396 entries on Flocci AI Tools with no upgrade path built in.

### Can I use LangGraph in a browser, or is there an app?

LangGraph needs to be installed or self-hosted — it doesn't run in a browser tab. It is available on an API, self-hosting and the command line.

### What can LangGraph do?

LangGraph does 4 things the catalog singles out: Build stateful, multi-agent apps as graphs; human-in-the-loop and durable execution; works with any llm; open-source with a hosted platform.

### What is the best free alternative to LangGraph?

Agno is the closest free alternative: it sits in the same Agent Frameworks (Developers) sub-category and is free. AWS Strands Agents, CAMEL and Claude Agent SDK also start free. The full list is on the alternatives page.

## Related

- [LangGraph alternatives](https://aitools.flocci.in/alternatives/langgraph)
- [Agent Frameworks (Developers)](https://aitools.flocci.in/category/ai-agents-automation/agent-frameworks-developers)
- [Best free AI agent frameworks for developers](https://aitools.flocci.in/best/best-agent-frameworks-developers)
---

Source: Flocci AI Tools — https://aitools.flocci.in/tool/langgraph

Facts last verified: October 2026