ModelGemini

Google launches fast, cost-efficient Gemini 4 Hydrogen

Original title: Introducing Gemini 4 Hydrogen

Plain language

What it is: Google introduced Gemini 4 Hydrogen, a fast and cost-efficient AI model designed for everyday tasks and automated workflows. It is built to be quick and to follow instructions closely in daily conversations.
How it works: The model can run on its own or work together with other models to complete tasks. It features four different thinking levels that let users balance speed, quality, and cost.
Where it is available: It is available in the Gemini app, Google Search, Gemini API, Google AI Studio, Gemini for business, and for paid Google AI Pro and Ultra subscribers in Google Antigravity.
Example: A user can use it in the Gemini app to draft emails, create study guides, and pull information from Google Drive to complete tasks.

What it is: Google released Gemini 4 Hydrogen, a fast, cost-efficient model optimized for rapid execution in agentic workflows and software development. It features a 1 million-token input and output context window.
How it works: It operates across four thinking levels and can be paired with Gemini 4 Carbon or Argon using the new Orchestrator in Google Antigravity. It supports parallel native batching for file-read and search calls.
Where it is available: It is accessible via the Gemini API, Google AI Studio, Android Studio, Gemini for business, and Google Antigravity for paid AI Pro and Ultra subscribers.
Example: Developers can use it to resolve repository issues and debug code by batching file-read and search calls in parallel instead of inspecting files one by one.

The headline and explanation on this page are based on Google's post. The full details are in the original.

Introducing Gemini 4 Hydrogen