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

Nvidia, Microsoft, Meta, IBM and 20+ companies sign public letter urging US lawmakers to avoid restricting open-source AI models, arguing that regulation should target theft rather than impose blanket bans. The move comes as lawmakers propose AI kill switches following a rogue OpenAI cyberattack and Trump's administration weighs sanctions on Chinese open-source makers.

This Wire brief sits within Fusion42's coverage of AI Frontier Models and AI Infrastructure. Wire is Fusion42's founder-focused intelligence feed: each story is connected to the funds and startups it names — every one with a live profile on Raise or Scout — so founders can follow the capital and the momentum behind the headline rather than just the headline itself. Wire analysis is one of the live surfaces Arthur reasons over.