Gemini 3.1 Pro: Advanced AI for Complex Tasks

Gemini 3.1 Pro is Google's latest AI model, featuring significantly upgraded core intelligence and reasoning capabilities. It is designed to tackle complex problems and is rolling out across consumer and developer platforms.

Core Principles

Gemini 3.1 Pro introduces an upgraded core intelligence, making it smarter and more capable for complex problem-solving.
The model shows significantly improved reasoning, doubling performance on the ARC-AGI-2 benchmark to 77.1%.
It is specifically designed for tasks requiring advanced reasoning, where simple answers are insufficient.
3.1 Pro can generate website-ready, animated SVGs directly from text prompts, maintaining crispness and small file sizes.
The model facilitates complex system synthesis, such as configuring live aerospace dashboards from telemetry streams.
It enables interactive design and creative coding, translating abstract themes into functional, immersive experiences.

Timeline

November (previous year): Gemini 3 Pro released
Jan 12, 2026: Gemini API increased file size limits and expanded inputs support
Jan 27, 2026: Agentic Vision introduced in Gemini 3 Flash
Jan 27, 2026: New developer tools for Google AI Pro and Ultra subscribers announced
Feb 12, 2026: Gemini 3 Deep Think released for science, research, and engineering
Feb 19, 2026: Gemini 3.1 Pro announced and begins rolling out in preview

People

The Gemini Team: Primary authors of the Gemini 3.1 Pro announcement
Rohan Doshi: Author, introduced Agentic Vision in Gemini 3 Flash
Niv Govindaraju: Co-author, discussed new developer tools for Google AI Pro and Ultra