Google launched Gemini 4 Hydrogen, $1.5 per million input tokens

Google has launched the new model Gemini 4 Hydrogen in the Gemini 4 series. The pricing for this model is $1.5 for input, $0.075 for cached input, and $7.5 for output per million tokens, and it will serve as a new free tier model to support the AI capabilities of Google Search.

The prices for Gemini 4 Carbon and Gemini 4 Argon before November 30, 2026, are $2 for input, $0.1 for cached input, and $10 for output per million tokens, which will be adjusted to $4, $0.2, and $20 respectively starting December 1. Google stated that Hydrogen can be used for writing code, running tests, and validating changes, handling daily tasks independently, or working in conjunction with Carbon and Argon for multi-model workflows.