Last week, I was eager to see if Google would incorporate Gemini 3 into their AI systems. Now, it’s official: some responses in AI Mode are powered by Gemini 3, but it’s only available to Google AI Pro & Ultra subscribers in the U.S.
Nick Fox, Google’s SVP of Knowledge and Information, mentioned on X that the rollout of Gemini 3 in search is ongoing. He highlighted that they’ve implemented intelligent automatic model routing to Gemini 3 Pro, aimed at tackling the most challenging questions in AI Mode.
Previously, Fox included AI Overviews in this rollout. However, his latest updates have corrected this to focus solely on AI Mode. If you are a subscriber, you’ll know this feature is available if it’s an option within the AI Mode tab’s carrot menu.
From a recent blog post by Google’s Head of Search, Liz Reid, there’s an emphasis on enhancing automatic model selection in Search with Gemini 3 over the coming weeks. This means your complex queries in AI Mode could soon be channeled to this advanced model.
Introduced on November 18, 2025, Sundar Pichai, Google’s CEO, described Gemini 3 as their most intelligent model yet. It combines all of Gemini’s capabilities, aiming to bring any idea to life.
I’m particularly excited because some users might notice more visual and comprehensive results in AI Mode, especially if you’re an AI Pro or Ultra subscriber in the U.S. These changes indicate that Gemini 3 is already reshaping the search landscape.
Eventually, all AI responses will be powered by Gemini 3 until the next update is rolled out by Google. I can’t wait to see how this further enhances search experiences.
Inspired by this post on Search Engine Land.
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