Gemini 3.1 Pro Preview
Google · 2026-02-19
Gemini 3.1 Pro Preview is Google's preview upgrade to Gemini 3 Pro, released February 19, 2026 for complex reasoning, software engineering, and agentic workflows. It accepts text, image, video, and audio inputs, returns text, supports up to 1,048,576 input tokens, and lets developers select low, medium, or high thinking levels.