Langfuse vs Lunary
A side-by-side comparison of Langfuse and Lunary, two Observability tools, drawn from Ignaite's continuously-verified listings.
Compared from listings verified as of
Langfuse
ObservabilityOpen-source LLM observability. Self-hostable, OpenTelemetry-native.
View LangfuseAt a glance
| Attribute | Langfuse | Lunary |
|---|---|---|
| Category | Observability | Observability |
| Pricing | FREEMIUM | FREEMIUM |
| License | Open core | Open core |
| Deployment | Hybrid | Hybrid |
| Platforms (differs) | API, Web | Web, API |
| Model support | Model-agnostic | Model-agnostic |
| Vendor (differs) | Langfuse | Lunary |
The honest brief
Langfuse
The MIT-licensed, self-hostable answer to LangSmith — own your observability data, framework-agnostic.
- Own your observability data
- Framework-agnostic, OTel-native
- Tracing + evals + prompt mgmt
- Transparent unit-based pricing
- Self-host infra cost at scale
- Less deep LangChain integration
- Setup heavier than hosted-only
Lunary
Bundles prompt versioning, A/B tests, and human review with tracing — fast zero-to-observability for RAG/chatbots.
- Apache-2.0, self-hostable
- Cost and user analytics built in
- Human-in-the-loop review and scoring
- Quick setup for RAG/chatbot apps
- Evaluation features minimal/early-stage
- Less mature than Langfuse
- Smaller community
- Narrower than full lifecycle platforms