This guide has been updated. The Gemini 2.5 model family has been superseded by the Gemini 3.x generation, including Gemini 3.5 Flash, Gemini 3.1 Pro, Gemini Omni, and Deep Think.
Please read the updated guide: Google Gemini 3.5 Complete Guide 2026
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Google Gemini, AI Models
This guide has been updated to cover the current Gemini 3.x model family. Please see the new guide at the link below.

This guide has been updated. The Gemini 2.5 model family has been superseded by the Gemini 3.x generation, including Gemini 3.5 Flash, Gemini 3.1 Pro, Gemini Omni, and Deep Think.
Please read the updated guide: Google Gemini 3.5 Complete Guide 2026
Sep 27, 2026
A September 27, 2026 wave of arena clips is being read as Gemini 4 Pro: a floatplane against Claude Opus 5.5, a motion comparison against GPT-6 Astra, and one-shot 3D scenes. Google has only confirmed early post-training. This is the demo catalog, with the claims that do not hold.
Sep 27, 2026
If you already serve a generative model and the product mostly asks closed questions, you can score the option list from one token's log probabilities instead of paying for a JSON decode. Edgeless Systems did that with GLM-5.3-Flash and published a head-to-head against Jev and Laya.
Sep 27, 2026
A September 26, 2026 TechCrunch report describes Google testing a Flipkart Buy button inside Gemini and AI Mode for Indian users — checkout that stays visibly Flipkart-branded in the AI UI rather than routing through Google''s Universal Commerce Protocol end-to-end. Categories are narrow for now, a broader rollout is expected around October 2026, and Amazon product listings can appear without an equivalent one-tap buy path. explainx.ai breaks down what that split means for builders, merchants, and the agentic-commerce stack India is assembling.