Gemini 4 Flash "Hydrogen" imminent, Carbon already live in Google AI Mode
UltraRareAF · x · 2026-11-12
Andrew Curran reports that Gemini 4 Flash (codename Hydrogen) appears imminent, and shares that Gemini 4 Carbon is already accessible in Google Search's AI Mode even without an Ultra subscription.
A responder's early take: Carbon is good but a bit overconfident at the edges, falling somewhat short of fable 5.2; both models are highly emergent and may have different strengths. Unverified leak plus early impressions.
Related event: Gemini 4 Hydrogen surfaces across Google products ahead of launch(27 posts)→
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