LangGraph vs LangSmith
| Tagline | Build stateful, controllable AI agents as graphs | Debug, test and monitor LLM apps and agents |
|---|---|---|
| Category | AI Agents | AI Agents |
| Pricing | Open Source | Freemium |
| Upvotes | 0 | 0 |
| Comments | 0 | 0 |
| Page views | 0 | 0 |
| Click-through to site | 0.0% | 0.0% |
| Readiness Score | 71/100 | 81/100 |
| Launched | Oct 5, 2026 | Oct 5, 2026 |
| Maker | — | — |
What is LangGraph?
LangGraph is a library from LangChain for building long-running, stateful agents as graphs of steps, with human-in-the-loop and persistence.
What is LangSmith?
LangSmith from LangChain helps teams trace, evaluate and monitor LLM applications and agents in development and production.
Not sold on either? See alternatives to LangGraph or alternatives to LangSmith.
Verdict
LangSmith leads on 1 of the measurable metrics above (votes, engagement, click-through and readiness). Choose LangGraph if you want build stateful, controllable AI agents as graphs; choose LangSmith if you want debug, test and monitor LLM apps and agents.
Is LangGraph better than LangSmith?
On AskableHQ's community and engagement data, LangSmith currently performs better, but the right choice depends on your use case.
Which is cheaper, LangGraph or LangSmith?
LangGraph is Open Source; LangSmith is Freemium. Check each website for current plans.