Google restricts access to new AI model over safety concerns

Google has restricted public access to its most powerful AI model, Gemini 4 Argon, citing safety concerns and is currently releasing it only to vetted cybersecurity experts and the US government for early testing.

This Wire brief sits within Fusion42's coverage of AI Frontier Models, and 32 sources have reported it between 30 Sep 2026 and 5 Oct 2026.