langfuse/langfuse-python

🪢 Langfuse Python SDK - Instrument your LLM app with decorators or low-level SDK and get detailed tracing/observability. Works with any LLM or framework

Langfuse Python SDK

Installation

Important

The SDK was rewritten in v2 and released on December 17, 2023. Refer to the v2 migration guide for instructions on updating your code.

pip install langfuse

Docs

• Decorators: https://langfuse.com/docs/sdk/python/decorators
• Low-level SDK: https://langfuse.com/docs/sdk/python/low-level-sdk
• Langchain integration: https://langfuse.com/docs/integrations/langchain/tracing

Interfaces

Interfaces:

• @observe() decorator (docs)
• Low-level tracing SDK (docs)
• Wrapper of Langfuse public API

Integrations

• OpenAI SDK (docs)
• LlamaIndex (docs)
• LangChain (docs)