langfuse
#14 of 54 by Downloads / month among PyPI packages
24.0M Downloads / month
Langfuse Python SDK - LLM observability/tracing, datasets, experiments, LLM-as-a-judge evaluation, and prompt management
About
The SDK was rewritten in v4 and released in March 2026. Refer to the v4 migration guide for instructions on updating your code.
Please see our docs for detailed information on this SDK.
Excerpted from pypi.org/project/langfuse/
Latest metrics
| Downloads / month | 24.0M | 2026-09-12 |
|---|---|---|
| Downloads / week | 5.1M | 2026-09-12 |
| Downloads / day | 863.8k | 2026-09-12 |