Gemini 4 Hydrogen
Gemini 4 Hydrogen is Google's fast Gemini 4 model for everyday coding and agentic work, released on November 12, 2026 in the Gemini API, Google AI Studio, the Gemini app and Google Search. Adapted from Gemini 4 Carbon, it takes text, image, audio and video input, offers four thinking levels, and has a March 2026 knowledge cutoff.
Released
November 12, 2026
Type
reasoning
License
proprietary
Context
—
Google states a 1M-token input-output context window, with up to 64K output tokens by default and up to 1M through background long decode.
Pricing
Input
$1.50 / 1M tokens
Output
$7.50 / 1M tokens
List price on the developer's own pages, checked . Priced flat across the whole 1M-token context window.
Capabilities
Sources
Every figure on this page was checked against these pages on . A figure we could not source is left out.
- Google blog: Introducing Gemini 4 Hydrogen (Nov 12, 2026) (opens in a new tab)
- Google blog: Build with Gemini 4 Hydrogen (Nov 12, 2026) (opens in a new tab)
- Google DeepMind model card: Gemini 4 Hydrogen (published 12 November 2026) (opens in a new tab)
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Links
In the news: Gemini 4 Hydrogen and Google DeepMind
InfoWorld AI
Google adds multi-model Orchestrator, Gemini 4 Hydrogen, to Antigravity
SiliconANGLE AI
Google releases Gemini 4 Hydrogen, a lower-cost model said to outscore Argon
The Decoder
Google's Gemini 4 Hydrogen outscores the bigger Argon just four weeks after its launch
Ars Technica
Google rolls out Gemini 4 Hydrogen, finally replacing 3.8 Flash
Digital Trends