langfuse vs RagaAI-Catalyst
A neutral, constraint-first comparison - live GitHub stats and typed relationships, not marketing.
| langfuse | RagaAI-Catalyst | |
|---|---|---|
| Tagline | Open source AI engineering platform | Python SDK for Agent AI Observability, Monitoring and Evaluation Framework |
| Stars | 31k | 16k |
| Forks | 3.2k | 3.6k |
| Open issues | 690 | 34 |
| Language | TypeScript | Python |
| License | Other | Apache-2.0 |
| Last pushed | Jul 7, 2026 | Feb 11, 2026 |
| Categories | Evaluation & Observability | Evaluation & Observability, Developer Tools |
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
RagaAI-Catalyst
RagaAI Catalyst provides tools for managing and optimizing LLM projects with features such as project management, dataset handling, evaluation tools, trace management, prompt management, synthetic data generation and guardrail management.
Python