[Google Gemini 4 Carbon Fully Launched, API Available] Google CEO Sundar Pichai announced on the X platform that Gemini 4 Carbon is now available. Designed for long-duration, persistent tasks, this model enables deep inference in complex software engineering, cybersecurity, and scientific discovery. It will be available globally through the Gemini API in Google AI Studio and Gemini Enterprise Edition. Ultra subscribers can also use it in Antigravity, the Gemini App, and Search AI mode. Google previously released Gemini 4 Carbon in late October, initially making it available to select cybersecurity defenders.