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A minimalist blue-and-white interface showing a Gemini chat window with a document upload icon and 'Hydrogen' subtly labeled in the corner

Gemini 4 Hydrogen vs 3.8 Flash and Argon: free AI upgrade is live

Gemini 4 Hydrogen is live globally for free users — no subscription, no toggle, no price. It scores higher than Gemini 4 Argon on the Artificial Analysis Intelligence Index and cuts hallucinations by more than fivefold versus Gemini 3.8 Flash.

4 hours ago2 min read