Langfuse
FreemiumOpen-source LLM observability and prompt management platform for AI applications.
About Langfuse
Langfuse is an open-source observability and analytics platform for LLM applications. It traces LLM calls, captures inputs/outputs, measures latency and cost, and helps teams debug, evaluate, and improve their AI applications. Langfuse integrates with LangChain, LlamaIndex, OpenAI, and any other LLM via its SDK.
Key Features
- LLM tracing
- Cost analytics
- Prompt versioning
- Evaluations
- Dataset management