A client library for accessing langfuse

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  • License: MIT License (MIT)
  • Author: langfuse
  • Requires: Python <4.0, >=3.10
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Project description

Langfuse GitHub Banner

Langfuse Python SDK

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

Installation

[!IMPORTANT] The SDK was rewritten in v3 and released in June 2025. Refer to the v3 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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  • License: MIT License (MIT)
  • Author: langfuse
  • Requires: Python <4.0, >=3.10
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Release history Release notifications | RSS feed

4.4.0b1 pre-release

4.3.1

4.3.0rc1 pre-release

4.2.0

4.1.0

4.0.6

4.0.5

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4.0.1

This version

4.0.0

4.0.0b1 pre-release

3.14.6

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2.7.1 yanked

Reason this release was yanked:

missing dependency

2.7.1a0 pre-release

2.7.0

2.6.4

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1.14.0

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1.3.1a1 pre-release

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1.3.0

1.2.1

1.1.16 yanked

Reason this release was yanked:

wrong version number

1.1.16a3 pre-release

1.1.16a2 pre-release

1.1.16a1 pre-release

1.1.16a0 pre-release

1.1.15

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1.1.1

1.1.1a0 pre-release

1.1.0 yanked

Reason this release was yanked:

Bug with openai integration

1.0.41

1.0.40

1.0.40a2 pre-release

1.0.40a1 pre-release

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1.0.39

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0.0.1

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