Alternatives
Best LangSmith alternatives
10 tools similar to LangSmith, ranked by how closely they match what it does among ai observability. All 10 have a free option.
LangSmith alternatives at a glance
| Tool | Pricing | Free option | API | Open source | Compare |
|---|---|---|---|---|---|
| LangSmith(this tool) | Freemium | ||||
| Traceloop | Freemium | vs LangSmith | |||
| Langfuse | Freemium · from $29/mo | vs LangSmith | |||
| AgentOps | Freemium · from $40/mo | vs LangSmith | |||
| Opik | Freemium | ||||
| Comet (Opik) | Freemium | ||||
| PromptLayer | Freemium | ||||
| Phoenix | Freemium | ||||
| MLflow | Free | ||||
| Braintrust | Freemium | ||||
| LM Studio | Freemium |