Google’s Gemini team keeps moving fast. A few weeks after launching the Gemini 4 Carbon and Gemini 4 Argon frontier models, the company has now released Gemini 4 Hydrogen.
In its official blog post, Google calls Hydrogen its daily driver for agentic workflows, built for speed and efficiency. Carbon and Argon handle deep, long-horizon reasoning.
Gemini 4 Hydrogen starts rolling out today in the Gemini app, and it now powers Google Search for all users worldwide. It is also integrated into Google AI Studio. In Google Antigravity, it is available to people who pay for a Google AI Pro or Ultra subscription.
Google’s benchmarks show strong results for agentic coding. On knowledge-based benchmarks, Hydrogen ranks well above the OpenAI’s GPT 6.1 Terra and Anthropic’s Claude Sonnet 5.5.
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Google says Hydrogen also leads those two rivals on multimodal understanding, which covers images and videos. It trails them only in science and math, computer use, and Terminal-Bench 4.1, and the gaps there are small.
Google compares Hydrogen with Gemini 3.8 Flash and claims it finishes tasks 2.5x faster at its default setting. It also makes more than 5x fewer fabricated claims. In partner tests with complex graphs, SQL, and data-heavy enterprise work, Google says Hydrogen ran up to 2.8x faster and used up to 23% fewer tokens.
Google also promises gains in agentic and multimodal knowledge work. That includes working with PDFs, spreadsheets, and charts, or turning audio and recorded video into reports. Gemini 4 Hydrogen lets you choose between four thinking levels, and xhigh is the newest one.
In the Gemini app, Google says the new model improves research, writing, and everyday tasks like handling emails, documents, and study guides. It also picks the right tools more efficiently. For example, it can pull context from connected services like Gmail and Google Drive to answer your questions and finish tasks.
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Google Search gets a boost too. Hydrogen understands questions better, gives more visual answers, and shows a wider mix of links, so you can find relevant content across different websites.
On safety, Google says Hydrogen cuts AI overreach in agentic tasks by up to 81%. It is also up to 2x less likely to bypass permission boundaries when a task gets blocked.
Developers can use Gemini 4 Hydrogen through the Gemini API, including in Android Studio, and in Google AI Studio on all tiers.
Enterprises can deploy it through the API or choose it from the model drop-down in Gemini Enterprise. Everyone else can pick it from the model drop-down in the Gemini app.
Free users get it automatically when the app decides it fits their prompt. It is also coming to Gemini in Google Sheets, starting with Google AI Pro and Ultra subscribers.
