A client library for accessing langfuse

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Langfuse Python SDK

MIT License CI test status PyPI Version GitHub Repo stars Discord YC W23

Installation

[!IMPORTANT] The SDK was rewritten in v4 and released in March 2026. Refer to the v4 migration guide for instructions on updating your code.

pip install langfuse

Docs

Please see our docs for detailed information on this SDK.

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This version

4.6.1

4.6.0b1 pre-release

4.6.0a1 pre-release

4.5.1

4.5.0

4.4.0b1 pre-release

4.3.1

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4.2.0

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Reason this release was yanked:

missing dependency

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1.2.1

1.1.16 yanked

Reason this release was yanked:

wrong version number

1.1.16a3 pre-release

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1.1.15

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1.1.1

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1.1.0 yanked

Reason this release was yanked:

Bug with openai integration

1.0.41

1.0.40

1.0.40a2 pre-release

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0.0.1

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