Google launches Gemini 4 Hydrogen with broad rollout and flat pricing

Google released Gemini 4 Hydrogen, a faster, more efficient model aimed at everyday coding and agentic workflows. It is now available across Google AI Studio, the Gemini API, Gemini for business, the Gemini app, Google Search, and to Google AI Pro and Ultra subscribers in Google Antigravity. Google also set flat pricing for the model’s 1 million-token context window at $1.50 per million input tokens and $7.50 per million output tokens.