Google AI announcements from December – Google

The latest AI news we announced in December

Dec 29, 2025, 6 min read

Here’s a recap of our biggest AI updates from December, including the launch of Gemini 3 Flash, the release of new AI verification tools in the Gemini app and the arrival of Gemini’s powerful translation capabilities in Google Translate.

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For more than 20 years, we’ve invested in machine learning and AI research, tools and infrastructure to build products that make everyday life better for more people. Teams across Google are working on ways to unlock AI’s benefits in fields as wide-ranging as healthcare, crisis response and education. To keep you posted on our progress, we’re doing a regular roundup of Google’s most recent AI news.

Here’s a look back at some of our AI announcements from December.

December is usually a time for reflection, and looking ahead. That’s why this month we’ve been focused on taking frontier intelligence out of the lab and putting it into your hands in ways that actually matter for your day-to-day. Whether it’s the lightning speed of Gemini 3 Flash helping you tackle tasks in seconds, the new video verification tools in the Gemini app or the simple relief of having GenTabs tame your open tabs, these updates share a single goal: making technology adapt to you, not the other way around. And as we push these boundaries, we’re staying grounded in responsibility — launching new tools to help you verify AI content so you can explore this new frontier with confidence.

We released Gemini 3 Flash, featuring frontier intelligence built for speed. Gemini 3 Flash brings frontier intelligence to virtually every corner of the Google ecosystem, combining the speed of our most advanced models with improved reasoning capabilities to help with everyday tasks, all while keeping costs significantly lower. It’s rolling out as the default model in the Gemini app and AI Mode in Search so people everywhere can now experience the incredible reasoning of our frontier model, right in our consumer products. And we’ve scaled this rollout to a global community, including developers building in the API Antigravity, our new agentic development platform, and enterprise customers on Vertex AI.

We added new AI verification tools for videos in the Gemini app. We’re bringing video verification capabilities directly to the Gemini app. People can now upload videos — up to 100 MB or 90 seconds — and simply ask if the content was generated or edited using Google AI. Gemini uses imperceptible SynthID watermarks to analyze both audio and visual tracks, pinpointing exactly which segments contain AI-generated elements.

We announced a new experiment to improve browsing and manage complex online tasks. We’ve all felt the friction of juggling dozens of tabs to research a topic or plan a trip. Enter Disco, a new browsing experience from Google Labs designed to tame that complexity. Disco features GenTabs, an experiment that proactively synthesizes your open tabs and chat history to build custom, interactive web applications — transforming a scattered browser session into a streamlined tool for getting things done.

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