Nvidia, Microsoft and other tech giants back open-source AI models

​​Tech leaders have also chafed at controls that OpenAI and Anthropic build into their models. Hugging Face, the AI coding collaboration site that was hacked by a rogue OpenAI model, this week said that it had to use a Chinese open-source model to defend against the attack because closed-source models have restrictions on use for ‌cybersecurity work.