head to head · open source
langgraph vs Langfuse
langgraph has 41,863 GitHub stars, 7,069 forks, 786 open issues and last shipped today. Langfuse has 34,746 stars, 3,791 forks, 926 open issues and last shipped yesterday. langgraph leads on adoption by 20% (41,863 vs 34,746 stars). langgraph is written in Python under MIT; Langfuse is written in TypeScript under a custom or non-standard licence. langgraph has attracted 17% as many forks as stars, Langfuse 11%. langgraph was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (langchain, llm), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| langgraph | Langfuse | |
|---|---|---|
| GitHub stars | ★ 42K | ★ 35K |
| License | MIT | Custom / other |
| Written in | Python | TypeScript |
| Last push | 2026-09-18 | 2026-09-17 |
| Forks | ⑂ 7.1K | ⑂ 3.8K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick langgraph if
- You weight community size — 42K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick Langfuse if
- You want the Langfuse feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches TypeScript
- You evaluated both and Langfuse fits your workflow better
About langgraph
LangGraph is a low level Python orchestration framework for building stateful, long running agents, aimed at developers and platform teams who need durable execution, human in the loop control, and persistent memory instead of a turnkey agent application.
read the full langgraph overview →
About Langfuse
Langfuse is an open source LLM engineering platform for building, monitoring, and improving AI powered applications. It lives in the LLMops ecosystem and provides tooling for the full development lifecycle—from prompt iteration and evaluation to observability and dataset management. Built with TypeScript and powered by ClickHouse, it enables teams to track LLM calls, user sessions, and internal logic like retrieval or agent actions in a unified interface.
read the full Langfuse overview →
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Frequently asked questions
Is langgraph or Langfuse more popular?
langgraph has 41,863 GitHub stars and Langfuse has 34,746. langgraph has the larger community by that measure.
Are langgraph and Langfuse free?
Both are open source. langgraph is licensed under MIT, and Langfuse has no licence declared in this registry. Both are free to self-host.
What is the difference between langgraph and Langfuse?
langgraph is written in Python and Langfuse in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, langgraph or Langfuse?
Choose langgraph if you want the larger community (41,863 stars) or its MIT licence terms. Choose Langfuse if its feature set, stack or Custom / other licence fits better. Both are self-hostable.