Google launches Gemini 4 Hydrogen at $1.50 per million input tokens

Google confirmed the $1.50 input and $7.50 output price, a 1 million-token context window, and global rollout across the Gemini API, AI Studio, Antigravity, the Gemini app, and Search on November 12th.

        By [Ryan Merket](https://runtimewire.com/author/ryan-merket)
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Google launched Gemini 4 Hydrogen on November 12th, 2026, confirming the model that had already appeared for users in Antigravity's model picker. Google's announcement describes Hydrogen as built for speed and efficiency in everyday coding and agentic workflows, priced at $1.50 per million input tokens and $7.50 per million output tokens flat across its entire 1 million-token context window.…