Antigravity adds Gemini 4 Argon for Google AI Ultra and eligible Enterprise plans
Gemini 4 Argon began rolling out in Antigravity's desktop app and CLI on October 13, 2026, for Google AI Ultra subscribers and eligible Gemini Enterprise subscriptions.
SessionWatcher editorial · Published · Updated · Source announcement: 2026-10-13
Related guide: How to check your Gemini usage
Which subscriptions get Argon
Google began rolling out Gemini 4 Argon in Antigravity on October 13, 2026. Google AI Ultra subscribers get access through both the Antigravity desktop app and the Antigravity CLI. The announcement also makes Argon available within Antigravity on eligible Gemini Enterprise subscriptions.
Sources: Gemini 4 Argon in Google Antigravity
How to access the rollout
Google instructs users to update to the latest version of Antigravity to try Argon. The announcement describes access as a rollout starting that day, rather than saying it is already complete. For businesses, Google also lists API access through Gemini platform alongside the eligible Enterprise route in Antigravity.
Sources: Gemini 4 Argon in Google Antigravity
AI assisted reporting, checked against the linked official sources. Source pages checked 2026-10-14. Editorial process and corrections.