Want to know how to use Gemini 4 Argon? Google’s new flagship model became widely available on 13 October 2026, two weeks after it was first announced for a small group of cybersecurity partners. You can now use it in the Gemini app, in Google AI Studio, through the Gemini API and in Google’s Antigravity coding platform, but each route has different plan requirements. This guide explains which one you can use, walks through each method step by step, and shows what Argon costs before its introductory API prices double on 1 December.
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