Compare DevTools
LangSmith vs Langfuse
LangSmith vs Langfuse: compare pricing, use cases, AI models, integrations, privacy, governance and best fit by context.
LangSmith vs Langfuse : buying comparison
This comparison helps choose between LangSmith and Langfuse by pricing, use case, models, integration, privacy and governance.
Budget: LangSmith · $0+ usage. Rating: LangSmith · 4.5/5.
| Criteria | LangSmith | Langfuse |
|---|---|---|
| Price | $0+ usage | $0+ |
| Best for | Tracing, debugging, evaluating and monitoring LangChain and agent applications | Open-source LLM observability, evals, prompt management and cost tracking |
| Models | Traces, datasets, experiments, evaluators, prompt iteration, cost tracking and production monitoring | Tracing, scores, datasets, prompt management, experiments, evals and model-cost analytics |
| Privacy | Hosted platform with enterprise and self-host/hybrid options for larger organizations | MIT open-source core with free self-hosting and enterprise cloud/self-managed options |
| Rating | 4.5/5 | 4.5/5 |
Frequently asked questions
LangSmith or Langfuse: which one should you choose?
Choose LangSmith if entry budget is the priority. Choose LangSmith if perceived maturity and overall rating matter more. The final test should still be based on your repository.
Do LangSmith and Langfuse cover the same need?
Yes, they are close in category; compare limits, privacy, integration and suggestion quality.
How can teams run a fair test?
Use the same ticket, same repository and same data constraints, then measure saved time, errors, diff quality and monthly cost.