PyPI · pypi:ultranest

ultranest active

Fit and compare complex models reliably and rapidly. Advanced Nested Sampling.

The latest stable version of ultranest is 4.6.3, published on 2026-10-13. Verified by Vigia on 2026-11-13.

Latest stable version	4.6.3
Published	2026-10-13 19:17:36 UTC
Install	`pip install --upgrade ultranest`
Requires	`python !=3.0.,!=3.1.,!=3.2.,!=3.3.,!=3.4.*,>=2.7`
License	GPL-3.0-only
Advisories on latest version	none known
Last verified	2026-11-13 19:35:44 UTC
Sources	pypi.org

Maintenance

Activity	active
Last stable release	2026-10-13 19:17:36 UTC · 31 days ago
Stable releases in the last 12 months	4
Published versions	57

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

Version history

Version	Published
`4.6.3`	2026-10-13 19:17:36 UTC
`4.6.2`	2026-10-12 09:41:18 UTC
`4.5.2`	2026-09-19 06:05:08 UTC
`4.5.0`	2026-01-20 11:24:52 UTC
`4.4.0`	2024-12-13 06:43:50 UTC
`4.3.3`	2024-10-26 18:40:53 UTC
`4.3.2`	2024-06-20 08:13:34 UTC
`4.3.1`	2024-05-26 17:57:01 UTC
`4.2.0`	2024-03-23 09:34:31 UTC
`4.1.7`	2024-03-05 22:48:06 UTC
`4.1.6`	2024-03-03 23:29:21 UTC
`4.1.5`	2024-02-17 21:14:46 UTC
`4.1.4`	2024-02-17 05:40:03 UTC
`4.1.3`	2024-02-16 15:34:24 UTC
`4.1.2`	2024-02-16 08:00:37 UTC
`4.1.1`	2024-02-15 22:37:27 UTC
`4.1.0`	2024-02-15 08:59:40 UTC
`4.0.0`	2024-02-15 08:38:38 UTC
`3.6.5`	2024-02-15 07:33:22 UTC
`3.6.4`	2023-10-19 18:22:55 UTC

Showing the 20 most recent of 57 versions. JSON

Version compatibility

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

Runtime	Newest compatible version
`python 3.8`	`4.6.3`
`python 3.9`	`4.6.3`
`python 3.10`	`4.6.3`
`python 3.11`	`4.6.3`
`python 3.12`	`4.6.3`
`python 3.13`	`4.6.3`

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Frequently asked questions

What is the latest version of ultranest?

The latest stable version of ultranest is 4.6.3, published on 2026-10-13. Verified by Vigia on 2026-11-13.

How do I install the latest version of ultranest?

Run pip install --upgrade ultranest. The latest stable version is 4.6.3 (verified 2026-11-13).

Is ultranest deprecated?

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

Which Python version does ultranest require?

ultranest 4.6.3 declares this requirement: python !=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,>=2.7.

Does ultranest 4.6.3 have known vulnerabilities?

No known advisories affect ultranest 4.6.3 according to the data Vigia checks.

Is ultranest still maintained?

ultranest published 4 stable releases in the last 12 months; the most recent was 31 days ago. Activity: active.

Observed changes

ue Oct 13 2026 19:20:22 GMT+0000 (Coordinated Universal Time) — released 4.6.2 → 4.6.3
Mon Oct 12 2026 09:43:07 GM +0000 (Coordinated Universal Time) — license_changed
Mon Oct 12 2026 09:43:07 GM +0000 (Coordinated Universal Time) — released 4.5.2 → 4.6.2

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