Google’s new Gemini model is better at understanding complicated questions

Google released Gemini 4 Hydrogen, a new model it says handles complex, multi-part questions, typos, and highly specific requests, and it is now the default model in AI Mode and is used for the hardest questions in AI Overviews, according to Robby Stein, VP of product at Google Search. Gemini 4 Hydrogen is available starting today in Search, the Gemini app, all tiers of Google AI Studio, the Gemini API, Gemini for business, and Google Antigravity for Google AI Pro and Ultra subscribers. Google says the model delivers "significant leaps in both speed and intelligence" over Gemini Flash 3.8, matches or outperforms competitors including Claude Sonnet 5.5 and GPT-6.1 Terra, adds low, medium, high, and a new "xhigh" thinking level, and returns more links, images, comparison tables, graphs, and maps.

Google says its new Gemini 4 Hydrogen https://blog.google/products-and-platforms/products/search/gemini-4-hydrogen-search-upgrade/ model can give more helpful answers to complex questions, including “questions with multiple parts, hard-to-understand typos, or highly specific requests.” The new model can break down your questions and address each part in its responses. It’s available starting today https://blog.google/innovation-and-ai/models-and-research/gemini-models/introducing-gemini-4-hydrogen/ in search, the Gemini app, all tiers of Google AI Studio, the Gemini API, Gemini for business, and in Google Antigravity for Google AI Pro and Ultra subscribers. Robby Stein, VP of product at Google Search, says https://x.com/rmstein/status/2120941443359576166?a=lerZsroBaoIBT9jNz00&s=20 it’s “now the new default model in AI Mode & being used for your hardest questions in AI Overviews.” Google’s new Gemini model is better at understanding complicated questions Google’s Robby Stein says Gemini 4 Hydrogen is ‘the biggest model upgrade to Search yet.’ Google says Gemini 4 Hydrogen also gives users a wider range of links in its responses by “conducting simultaneous queries across all the relevant subtopics.” Its responses have more visuals, too, like images, comparison tables, graphs, and maps. One of Stein’s examples https://x.com/rmstein/status/2120941443359576166?a=vHfD7iCf5JgshgQ3K44&s=20 shows the AI generating an interactive animated driving simulation in response to a user’s question about how phones locate which lane of a highway a car is on in areas without cell service. Google says the new model also has improved language understanding “across all supported AI Mode languages.” Users have more thinking level options with Gemini 4 Hydrogen, as well, including low, medium, high, and a new “xhigh” mode. According to Google, the new model “delivers significant leaps in both speed and intelligence” compared to Gemini Flash 3.8 https://www.theverge.com/ai-artificial-intelligence/988742/google-gemini-3-8-flash , and it “matches or outperforms some of the competing models in its class,” like Claude Sonnet 5.5 https://www.theverge.com/ai-artificial-intelligence/1001591/anthropic-is-launching-claude-sonnet-5-5 and GPT-6.1 Terra. Follow topics and authors from this story to see more like this in your personalized homepage feed and to receive email updates.