PyTorch Adopts Safetensors to Secure AI Model Ecosystem

The PyTorch Foundation officially announced Safetensors as its newest hosted project to improve security for open-source artificial intelligence ^[1]. Developed by Hugging Face, Safetensors serves as a secure format for storing and loading tensors ^[2]. This move aims to protect the global AI ecosystem from vulnerabilities common in older distribution methods ^[3]. The format prevents arbitrary code execution, a major risk found in previous serialization tools like Python’s "pickle" ^[1]. By adopting this standard, the Linux Foundation and PyTorch prioritize safety for developers sharing models ^[2]. This change ensures that large-scale model weights remain tamper-proof during the transfer process ^[3].