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AI Model2026-05-17

Gemini

Also known as: Gemini / Google Gemini / Gemini Pro / Gemini Ultra

Google DeepMind's flagship multimodal LLM series — spanning Pro and Flash tiers — with the autonomous Deep Research Max agent launched in 2026.


Overview

Gemini 3.1 Pro powers the Deep Research and Deep Research Max autonomous research agents and leads the industry in long-context processing. See Gemini 3.1 Pro + Deep Research explainer.

Model lineup

Spans four tiers — Ultra (top performance), Pro (general-purpose), Flash (fast/low-cost), and Nano (on-device). Unlike Gemma, all Gemini models are closed-weight.

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