Gemini 4 Hydrogen: Price, Access and Speed Claims

Gemini 4 Hydrogen is Google’s new fast model for everyday coding and agentic work, rolling out from 12 November 2026 in the Gemini API, AI Studio, the Gemini app and Google Search, priced at $1.50 per million input tokens and $7.50 per million output tokens.

Gemini 4 Hydrogen price and access

API price: $1.50 per million input tokens and $7.50 per million output tokens, flat across the full 1 million-token context window. Google lists no rupee price.
Where it runs: all tiers of Google AI Studio and the Gemini API, Gemini for business, the Gemini app and Google Search. Paid Google AI Pro and Ultra subscribers also get it in Google Antigravity.
Free Gemini app users get Hydrogen through auto model selection when it suits the prompt, not as a fixed choice.
Gemini in Google Sheets gets it first for Google AI Pro and Ultra subscribers.
Google calls the rollout global but does not name India or list countries.

What Google says Gemini 4 Hydrogen improves

Speed: tasks finish 2.5 times faster than on Gemini 3.8 Flash at the default high thinking level.
Coding: a Terminal-Bench 4.1 score of 57%, against 18.2% for 3.8 Flash.
Thinking levels: low, medium, high (default) and a new xhigh tier.
Index score: 51 on the Artificial Analysis Intelligence Index at the default level, against 50 for Gemini 4 Argon, and 54 at xhigh.
Orchestrator in Antigravity switches between Carbon and Hydrogen in one session; Google reports 24% less quota used and 19% faster completion on Terminal-Bench 4.0.

Every benchmark figure above is Google’s own; the post cites no independent test of Hydrogen itself.

What this means for you

Developers on Gemini 3.8 Flash can test Hydrogen in AI Studio and compare cost per finished task, not only price per token. Everyday Gemini app users need do nothing, because Google picks the model on the free tier. Google quotes dollar prices only, so check your billing page for the rupee cost.