opik vs langfuse
A neutral, constraint-first comparison - live GitHub stats and typed relationships, not marketing.
| opik | langfuse | |
|---|---|---|
| Tagline | Comprehensive tracing, automated evaluations, and production-ready dashboards for LLM applications. | Open source AI engineering platform |
| Stars | 20k | 31k |
| Forks | 1.6k | 3.2k |
| Open issues | 147 | 690 |
| Language | Python | TypeScript |
| License | Apache-2.0 | Other |
| Last pushed | Jul 7, 2026 | Jul 7, 2026 |
| Categories | Evaluation & Observability | Evaluation & Observability |
opik
Opik provides tools to debug, evaluate, monitor, trace, and optimize large language model (LLM) applications, retrieval-and-generation (RAG) systems, and agentic workflows. It supports the transition from prototype to production with full observability features.
Python
langfuse
Langfuse is an open-source platform for LLM evaluation, observability, prompt management, and more. It integrates with OpenTelemetry, LangChain, OpenAI SDK, LiteLLM, among others.
TypeScript