HF moves safetensors to the PyTorch Foundation

Reddit r/LocalLLaMA / 4/8/2026

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Hugging Face announced it is moving the Safetensors trademark and repository under the PyTorch Foundation (now held by the Linux Foundation) rather than under Hugging Face.
The change is intended to provide neutral stewardship and open governance while keeping Safetensors usable for local inference with the same format, APIs, and Hugging Face Hub compatibility.
Hugging Face says it will work directly with the PyTorch team to integrate Safetensors more closely into PyTorch core for ecosystem-wide improvements.
The move is expected to enable further optimizations such as device-aware loading for different accelerators, improved tensor-parallel/pipeline-parallel loading, and expanded support for quantization and new data types.
The teams are refining a multi-month/multi-year roadmap and invite community input, with more details provided in a linked blog post.

Hey local llamas, Lysandre from Hugging Face here.

Today we're officially moving Safetensors under the PyTorch Foundation, alongside PyTorch (of course), vLLM, DeepSpeed, Ray, and the recently-announced Helion. Concretely this means the trademark and repo are now held by the Linux Foundation rather than Hugging Face: neutral stewardship and open governance.

For local inference nothing changes today. Its the same format, same APIs, same Hub compatibility; we're working with the PyTorch team directly to see how to best integrate within PyTorch core.

What this unlocks is the ability to work more openly with the broader ecosystem on some further optimizations; more than a file format, there are some good opportunities for speedups across the board within the python/pytorch ecosystem: device-aware loading on different accelerators, tp/pp optimized loading, and of course new quantization/data types support.

We're currently refining our roadmap for the next few months/years and we'd be happy to work on it with you. Happy to answer questions about any of this, or the governance side.

PS: we wrote a blogpost here which has a few more details: https://huggingface.co/blog/safetensors-joins-pytorch-foundation

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