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langfuse active

Langfuse Python SDK - LLM observability/tracing, datasets, experiments, LLM-as-a-judge evaluation, and prompt management

The latest stable version of langfuse is 5.2.0, published on 2026-11-05. Verified by Vigia on 2026-11-13.

Latest stable version5.2.0
Published2026-11-05 09:53:48 UTC
Installpip install --upgrade langfuse
Requirespython <4.0,>=3.11
LicenseMIT
Advisories on latest versionnone known
Last verified2026-11-13 15:59:21 UTC
Sourcespypi.org

Maintenance

Activityactive
Last stable release2026-11-05 09:53:48 UTC · 8 days ago
Stable releases in the last 12 months69
Published versions562

Heuristic based only on release dates; it does not measure issue or security response times.

Version history

VersionPublished
5.2.02026-11-05 09:53:48 UTC
5.1.02026-10-30 16:05:26 UTC
5.0.42026-10-21 07:36:06 UTC
5.0.32026-10-20 08:56:12 UTC
5.0.22026-10-16 10:01:37 UTC
5.0.12026-10-14 10:58:14 UTC
4.18.02026-10-14 08:40:45 UTC
4.17.02026-10-05 08:53:34 UTC
4.16.02026-09-30 09:55:54 UTC
4.15.62026-09-24 13:32:47 UTC
4.15.52026-09-24 12:20:26 UTC
4.15.42026-09-16 16:13:05 UTC
4.15.32026-09-15 14:00:22 UTC
4.15.22026-09-09 16:01:23 UTC
4.15.12026-08-28 07:55:14 UTC
4.15.02026-08-27 15:37:02 UTC
4.14.62026-08-27 14:48:33 UTC
4.14.52026-08-24 13:01:08 UTC
4.14.42026-08-11 17:03:20 UTC
4.14.32026-08-06 09:25:49 UTC

Showing the 20 most recent of 462 versions. JSON

Version compatibility

Newest stable version that declares support for each runtime version (from the requirements published with each version).

RuntimeNewest compatible version
python 3.81.0.33
python 3.93.7.0
python 3.104.18.0
python 3.115.2.0
python 3.125.2.0
python 3.135.2.0

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Frequently asked questions

What is the latest version of langfuse?

The latest stable version of langfuse is 5.2.0, published on 2026-11-05. Verified by Vigia on 2026-11-13.

How do I install the latest version of langfuse?

Run pip install --upgrade langfuse. The latest stable version is 5.2.0 (verified 2026-11-13).

Is langfuse deprecated?

No. langfuse is not marked as deprecated in the registry.

Which Python version does langfuse require?

langfuse 5.2.0 declares this requirement: python <4.0,>=3.11.

Does langfuse 5.2.0 have known vulnerabilities?

No known advisories affect langfuse 5.2.0 according to the data Vigia checks.

Is langfuse still maintained?

langfuse published 69 stable releases in the last 12 months; the most recent was 8 days ago. Activity: active.

Observed changes

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