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Google DeepMind@GoogleDeepMind · Mar 3, 2026

Gemini 3.1 Flash-Lite has landed. It’s our most cost-efficient Gemini 3 series model yet, built for intelligence at…

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Summary

Google has released Gemini 3.1 Flash-Lite, a cost-efficient AI model that outperforms its predecessor with faster performance at lower costs. The model introduces adjustable 'thinking levels' for customized reasoning across different tasks and is now available in preview through the Gemini API.

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  1. #1

    Gemini 3.1 Flash-Lite has landed. It’s our most cost-efficient Gemini 3 series model yet, built for intelligence at scale. Here’s what’s new 🧵

  2. #2

    3.1 Flash-Lite outperforms 2.5 Flash with faster performance at a lower price. New ‘thinking levels’ let you dial in reasoning to adapt for different tasks, while still being able to handle complex workloads - like generating UI and dashboards or creating simulations.

  3. #3

    Gemini 3.1 Flash-Lite is rolling out in preview today. Developers can start building via the Gemini API in @GoogleAIStudio. Find out more → goo.gle/3OO11NK