Google presents Gemini 4 Hydrogen, its fastest AI model that might interest you

Google has announced Gemini 4 Hydrogen, its latest AI model. Based on Gemini 4 Carbon and focused on speed, Google claims that Hydrogen also surpasses its state-of-the-art model, Gemini 4 Argon, when used at its default reasoning level.

“While our state-of-the-art models, Gemini 4 Carbon and Gemini 4 Argon, stand out for their deep, long-term reasoning on the most complex problems, Hydrogen is designed for rapid execution across diverse agent workflows,” wrote Koray Kavukcuoglu, senior vice president of Google DeepMind, in Thursday’s statement.

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Specifically, Hydrogen is meant to quickly carry out tasks like writing code, running tests, and handling day-to-day work, as opposed to system design and fixing complex bugs. Set by default to a “high” reasoning level, Hydrogen can also be adjusted to the “low” and “medium” levels, and to a new “xhigh” level, which vary in quality, latency, and cost.

“Hydrogen is designed to operate autonomously as a model for day-to-day work, or to be combined with Carbon and Argon as a highly efficient execution engine in multimodel workflows,” wrote Kavukcuoglu.

Gemini 4 Hydrogen is rolling out globally starting today, and will be available in Google Search for all users. It can also be selected from the model drop-down menu in the Gemini app.

Google Search’s AI features were previously powered by Gemini 3.8 Flash, which launched in September. In comparison, Kavukcuoglu said that Hydrogen will answer queries with more visual responses, as well as a greater variety of relevant links.

Author: Chema Carvajal Sarabia

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