PyPI · pypi:openfermion

openfermion active

Package to compile and analyze quantum algorithms for simulating fermionic systems.

The latest stable version of openfermion is 1.8.1, published on 2026-07-17. Verified by Vigia on 2026-11-13.

Latest stable version	1.8.1
Published	2026-07-17 05:38:26 UTC
Install	`pip install --upgrade openfermion`
Requires	`python >=3.10.0`
License	Apache-2.0
Advisories on latest version	none known
Last verified	2026-11-13 04:16:15 UTC
Sources	pypi.org

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Maintenance

Activity	active
Last stable release	2026-07-17 05:38:26 UTC · 119 days ago
Stable releases in the last 12 months	2
Published versions	36

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

Version history

Version	Published
`1.8.1`	2026-07-17 05:38:26 UTC
`1.8.0`	2026-07-14 01:11:29 UTC
`1.7.1`	2025-06-06 04:10:29 UTC
`1.7.0`	2025-02-11 23:40:16 UTC
`1.6.1`	2024-02-09 00:16:06 UTC
`1.6.0`	2023-10-27 19:29:13 UTC
`1.5.1`	2022-08-07 03:04:47 UTC
`1.5.0`	2022-07-27 22:01:55 UTC
`1.4.0`	2022-07-18 23:15:50 UTC
`1.3.0`	2021-12-06 20:46:19 UTC
`1.2.0`	2021-10-20 00:50:10 UTC
`1.1.0`	2021-07-23 21:25:10 UTC
`1.0.1`	2021-03-07 02:23:38 UTC
`1.0.0`	2020-12-22 00:16:17 UTC
`0.11.0`	2020-04-02 19:15:33 UTC
`0.10.0`	2019-07-22 21:46:05 UTC
`0.9.0`	2018-12-19 00:56:37 UTC
`0.8.1`	2018-09-07 23:37:42 UTC
`0.8`	2018-07-17 04:53:42 UTC
`0.7`	2018-06-22 03:43:06 UTC

Showing the 20 most recent of 26 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`	`1.6.1`
`python 3.9`	`1.6.1`
`python 3.10`	`1.8.1`
`python 3.11`	`1.8.1`
`python 3.12`	`1.8.1`
`python 3.13`	`1.8.1`

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Frequently asked questions

What is the latest version of openfermion?

The latest stable version of openfermion is 1.8.1, published on 2026-07-17. Verified by Vigia on 2026-11-13.

How do I install the latest version of openfermion?

Run pip install --upgrade openfermion. The latest stable version is 1.8.1 (verified 2026-11-13).

Is openfermion deprecated?

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

Which Python version does openfermion require?

openfermion 1.8.1 declares this requirement: python >=3.10.0.

Does openfermion 1.8.1 have known vulnerabilities?

No known advisories affect openfermion 1.8.1 according to the data Vigia checks.

Is openfermion still maintained?

openfermion published 2 stable releases in the last 12 months; the most recent was 119 days ago. Activity: active.

Observed changes

No changes observed yet since Vigia started tracking this package.

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