BlockBeats reported that Google has begun making it available to officially paid Google AI Pro users Gemini 4 Argon, which can be invoked through the Antigravity desktop app and CLI It has a separate weekly allowance and does not currently support Antigravity's built-in IDE。
and Sonnet AI available to some paid subscribers, and plans to remove several legacy models on 5.5. 5.5 retire November 2 BlockBeats News reports that Google’s coding tool Antigravity has made Claude Opus and Sonnet available to some paid subscribers, and plans to remove several legacy models on.