Gemini 4 Hydrogen Is Out: In Antigravity on Google AI Pro, With a New Extra Thinking Level
Google released Gemini 4 Hydrogen on Nov 12, 2026: in Antigravity on Google AI Pro, a new Extra (xhigh) level, Orchestrator on Pro and Ultra, $1.50/$7.50 API.
Tag: Gemini 4 Carbon
Gemini 4 Carbon Appears in Google AI Mode on Google AI Pro
On Nov 12 our Google AI Pro accounts could pick Gemini 4 Carbon in Google AI Mode; Antigravity keeps it Ultra-only. Our test, limits and open questions.
Gemini 4 Carbon Arrives in Antigravity, but Only for Google AI Ultra
Google launched Gemini 4 Carbon in Antigravity on Nov 10, 2026 for Ultra subscribers. On Google AI Pro it shows as Unavailable. Plans, prices, what changes.