Langfuse is an open-source platform that provides observability and analytics for Large Language Model (LLM) applications. It offers a comprehensive dashboard to trace and debug LLM models, helping developers understand the impact of changes on overall application performance. Langfuse supports various LLM applications, including Langchain and OpenAI, and allows tracking of nested actions and cost calculation. It also enables tracking of non-LLM actions like database queries and API calls for optimal issue visibility. With its open and integrated approach, Langfuse works with all models and configurations, providing native integrations with popular frameworks and libraries.
