# Tech Giants Rally to Defend Open-Weight AI Models Microsoft, Meta, Nvidia, and OpenAI call on US policymakers. - **Source:** [Business Insider](https://www.businessinsider.com) - **Published:** 2026-07-25 - **Topic:** [Data & AI](https://brifing.si/c/data-ai) - **Original article:** - **On Brifing:** https://brifing.si/s/aeb4f3f6-5a83-42f7-94fc-4d38dfbcd442 ## Support for Open-Weight AI Models Tech giants like Microsoft, Meta, Nvidia, and OpenAI have published an open letter emphasizing the importance of open-weight AI models. These models are said to enhance security and accelerate innovation. ## Jensen Huang's Call to Action Nvidia CEO Jensen Huang, in his first post on X, highlighted the need for open-weight AI models to be adopted by every country. He stated that these models strengthen security and cybersecurity. ## Warning to US Policymakers Tech companies warned US policymakers against taking harsh measures against open-weight AI models. These models are said to accelerate innovation and support economic sovereignty. ## China's AI Leadership China is leading the development of open-weight AI models. It was emphasized that the US needs to support open ecosystems to maintain its leadership in this field. ## The Distillation Debate The distillation method used in AI development has become a topic of debate. Some companies claim that Chinese firms misuse this method. However, it was noted that this method is important for innovation. ## The Future AI Ecosystem Open-weight AI models could form the foundation of future technological advancements. Supporting open ecosystems is critical for the US to maintain its leadership in this field. ## Sources covering this story - https://www.businessinsider.com/microsoft-nvidia-meta-palantir-jensen-huang-open-source-ai-letter-2026-7 — --- _Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._