AI Round-up: 28 July 2026

The Open Secure AI Alliance became the clearest response to the Hugging Face breach. Reuters reported that Nvidia formed the industry group, CNBC identified SpaceX and Microsoft among its members, Microsoft set out a global red-teaming approach, and Hugging Face said it would contribute research, tools and operational experience.

AI financing risk moved markets as Reuters and Bloomberg tracked a chip sell-off and renewed concern over Nvidia's $750 billion web of deals. OpenAI launched Presence for enterprise voice and chat agents, while Kimi K3 expanded through Together AI and Cursor; GitHub also detailed Copilot changes that reduce repeated context through prompt caching and tool search.