Vendor 1
LangfuseAI Observability
Langfuse is an open-source platform for tracing, prompt management, evaluations, and observability across LLM applications and agent systems.
$29+ / monthPriceNo reviewsRating2022Founded
Langfuse vs LangSmith
Vendor decision canvas
Vendor 2
LangSmithAI Observability
LangSmith is LangChain's platform for debugging, testing, evaluating, and monitoring LLM applications and agent workflows.
$39+ / seat / monthPriceNo reviewsRating2023Founded
Carry this decision forward
Langfuse + LangSmith can move into a shared evaluation.
Evidence sheet
2-vendor view| Vendor 1 Langfuse AI Observability Open-source LLM engineering platform. | Vendor 2 LangSmith AI Observability Debug, test, and monitor LLM apps. | |
|---|---|---|
| Overview | ||
| Category | AI Observability | AI Observability |
| What it is | Langfuse is an open-source platform for tracing, prompt management, evaluations, and observability across LLM applications and agent systems. | LangSmith is LangChain's platform for debugging, testing, evaluating, and monitoring LLM applications and agent workflows. |
| Pricing | ||
| Price | $29+ / month | $39+ / seat / month |
| Pricing model | Tiered plans | Tiered plans |
| Free options | Free plan, Free trial | Free plan, Free trial |
| Company | ||
| Founded | 2022 | 2023 |
| Team size | Not available | 201-500 employees |
| Headquarters | Berlin, Germany | San Francisco, CA |
Where these sit in AI Observability
- Langfuse$29 / month
- LangSmith$39 / month
- AI Observability median$79.5 / month
Typical monthly range: $39.25–$186.75 per seat. 32% are priced on request.
See the whole AI Observability market