Gemini 4 Hydrogen: Why Google Dropped Flash, Full Specs & Real Costs

Quick Answer: Gemini 4 Hydrogen is Google’s new production AI model (Model ID: gemini-4-hydrogen) launched in November 2026 as the direct upgrade to Gemini 3.8 Flash. It delivers a 1,048,576-token unified input window, a 65,536-token standard output limit, native computer…













