Google added Gemini 4 Argon to AI Mode for paid subscribers and opened the model to developers, enterprises, and the Gemini app.
Google has added Gemini 4 Argon to the AI Mode model menu for Google AI Pro and Ultra subscribers. The rollout comes on the same day the model became available to developers, enterprises, and Gemini app users.
Robby Stein, VP of Product for Google Search, announced the rollout on X, saying Argon “is now rolling out globally in Search” and that subscribers can switch to it using the “+” icon.
Google’s first Argon announcement, 13 days ago, didn’t mention Pro subscribers. Today’s launch post lists them alongside Ultra subscribers, but nothing announced today changes the default for free-tier AI Mode users.
You can pick Argon from the “+” icon in AI Mode’s “Ask anything” bar, the same menu that added 3.7 Flash in August and 3.8 Flash in September.
Stein says Argon “brings big improvements to tackling nuanced, multi-step tasks in AI Mode” and is “better at understanding your intent and following your instructions in back and forth conversations.” The launch post makes a similar claim for the model as a whole, saying it “follows style instructions better than any of our previous Gemini models.”
Neither post states a language. The 3.7 Flash rollout was English only.
Since it’s rolling out, it may not be available to everyone just yet. As of 12:17 p.m. ET, Argon hadn’t appeared in the menu on my own Pro account.
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