Google rolls Hydrogen into Search globally

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Published Thursday, November 12, 2026 · 3:07 PM EST

Google says it is rolling Gemini 4 Hydrogen out to all Search users globally, changing how AI Mode handles complicated questions and presents answers. The company says the model better follows multipart requests, interprets difficult typos and addresses individual parts of a query. Hydrogen also improves the process that splits a question into multiple searches, which Google says can surface additional relevant websites. AI Mode will show more images, comparison tables, structured responses and custom tools. The claimed improvements come from Google; its speed comparison is against Gemini 3.8 Flash.

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