Gemini 4 Hydrogen is live for me in app. They appear to have kept the code name.
AAndrew CurranX· 2d ago
The launch of Gemini 4 Flash, aka Hydrogen, appears to be imminent. If you don't have an Ultra subscription and are still waiting for a chance to try out Gemini 4 Carbon, I'll tell you a secret: Carbon is live right now in Google search AI Mode.

5:20 PM · Nov 12, 2026 · via X