These tools competes with
LangWatchvsLangfuse
LLM observability and evaluation with OpenTelemetry support versus OSS LLM engineering platform (acquired by ClickHouse, Jan 2026)
Compare interactively in Explore →Choose LangWatch when…
- •You want OpenTelemetry-native LLM tracing without vendor lock-in
- •You need combined tracing and automated evaluation in one platform
- •You prefer self-hosting your observability stack
Choose Langfuse when…
- •You want open-source LLM observability
- •Self-hosting your tracing stack is important
- •You need cost tracking across models and users
Side-by-side comparison
Field
LangWatch
Langfuse
Category
Observability
Observability
Type
Open Source
Open Source
Free Tier
✓ Yes
✓ Yes
Pricing Plans
Cloud: $99/mo
Cloud: $59/mo
GitHub Stars
⭐ 2,000
⭐ 7,000
Health
●70 — Active
●95 — Active
LangWatch
Open-source LLM observability and evaluation platform with OpenTelemetry-native tracing. Provides trace visualization, automated LLM-as-judge evaluations, dataset management, and prompt versioning. Self-hostable with a managed cloud option.
Shared Connections2 tools both integrate with
Only LangWatch (1)
Langfuse
Only Langfuse (29)
Claude CodeCrewAICursorLangGraphOpenHandsAutoGenLlamaIndexDifyMastraAgno
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