Contextwindow.

Gemini 3.1 Ultra: The AI That Reads an Entire Book in One Prompt — 2M Token Context Explained

Google Gemini 3.1 Ultra arrives with a 2 million token context window and native multimodal capabilities. We analyze how this AI — which can process an entire book, hundreds of papers, or a full codebase in a single prompt — transforms the workflow of researchers and educators.