crates.io · crates:safetensors

safetensors active

Provides functions to read and write safetensors which aim to be safer than their PyTorch counterpart. The format is 8 bytes which is an unsized int, being the size of a JSON header, the JSON header refers the `dtype` the `shape` and `data_offsets` which are the offsets for the values in the rest of the file.

Latest stable version	0.8.0
Published	2026-06-09 08:34:43 UTC
Install	`cargo add safetensors`
Minimum Rust version (rust-version)	`Rust ≥ 1.80`
License	Apache-2.0
Advisories on latest version	none known
Last verified	2026-10-09 15:24:51 UTC
Sources	api.osv.dev, crates.io

Maintenance

Activity	active
Last stable release	2026-06-09 08:34:43 UTC · 122 days ago
Stable releases in the last 12 months	2
Published versions	22

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

Version history

Version	Published
`0.8.0`	2026-06-09 08:34:43 UTC
`0.7.0`	2025-11-19 15:14:57 UTC
`0.6.2`	2025-08-08 13:11:10 UTC
`0.6.1`	2025-08-06 09:37:00 UTC
`0.6.0`	2025-06-23 08:05:11 UTC
`0.5.3`	2025-02-26 09:11:59 UTC
`0.5.2`	2025-01-08 17:39:49 UTC
`0.5.1`	2025-01-07 10:09:02 UTC
`0.5.0`	2025-01-02 16:36:06 UTC
`0.4.5`	2024-09-05 13:41:34 UTC
`0.4.4`	2024-08-05 12:26:28 UTC
`0.4.3`	2024-04-15 15:53:57 UTC
`0.4.2`	2024-01-23 09:02:21 UTC
`0.4.1`	2023-11-27 11:12:47 UTC
`0.4.0`	2023-10-06 10:48:54 UTC
`0.3.3`	2023-08-23 11:04:24 UTC
`0.3.2`	2023-08-07 12:59:09 UTC
`0.3.1`	2023-04-25 08:24:12 UTC
`0.3.0`	2023-03-05 23:48:01 UTC
`0.2.8`	2023-01-16 12:45:17 UTC

Showing the 20 most recent of 22 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
`rust 1.63`	`0.5.2`
`rust 1.70`	`0.5.2`
`rust 1.75`	`0.5.3`
`rust 1.80`	`0.8.0`
`rust 1.85`	`0.8.0`
`rust 1.90`	`0.8.0`

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Frequently asked questions

What is the latest version of safetensors?

The latest stable version of safetensors is 0.8.0, published on 2026-06-09. Verified by Vigia on 2026-10-09.

How do I install the latest version of safetensors?

Run cargo add safetensors. The latest stable version is 0.8.0 (verified 2026-10-09).

Is safetensors deprecated?

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

Which Rust version does safetensors require?

safetensors 0.8.0 declares this requirement: Rust ≥ 1.80.

Does safetensors 0.8.0 have known vulnerabilities?

No known advisories affect safetensors 0.8.0 according to the data Vigia checks.

Is safetensors still maintained?

safetensors published 2 stable releases in the last 12 months; the most recent was 122 days ago. Activity: active.

Observed changes

No changes observed yet since Vigia started tracking this package.

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