FunctionGemma: New Gemma model for function calling
Specialized version of Gemma 3 270M model fine-tuned for function calling, designed for edge deployment and customization with support for local execution and API actions.
ModelSource: Google Blog
Google Gemini changelog: December 2025
8 releases from to
Everything Google Gemini shipped in December 2025, collected from official Google Gemini sources. Each entry is dated and links to the page it came from.
December 2025 at a glance
December 2025 was Google Gemini's 3rd busiest month of the 12 months to then: 8 releases, about 2.4× its monthly average of 3. That was 4 releases fewer than November 2025. Most were Product (4), followed by Developer Tools (2) and Model (2).
Releases
8
-4 vs November 2025
Rank of 12 months
3rd
Average 3.3 a month
Most shipped
Product
4 releases
Notable Google Gemini launches in December 2025
- Model
FunctionGemma: New Gemma model for function calling
Specialized version of Gemma 3 270M model fine-tuned for function calling, designed for edge deployment and customization with support for local execution and API actions.
Source: Google Blog - Model
Gemini 3 Flash: Frontier intelligence built for speed
Introducing Gemini 3 Flash, a fast and cost-effective AI model with frontier intelligence built for speed. Available via Gemini app, Search, and various developer platforms. Offers Pro-grade reasoning at Flash-level efficiency with lower costs.
Source: Google Blog - Product
Gemini 2.5 Text-to-Speech model updates
Gemini 2.5 Text-to-Speech models with enhanced expressivity, pacing control, and multi-speaker capabilities for improved voice generation
Source: Google Blog
All Google Gemini releases in December 2025
Newest first. Each entry links to the official page it came from.
December 20258 releases
Gemini 3 Flash: Frontier intelligence built for speed
Introducing Gemini 3 Flash, a fast and cost-effective AI model with frontier intelligence built for speed. Available via Gemini app, Search, and various developer platforms. Offers Pro-grade reasoning at Flash-level efficiency with lower costs.
ModelSource: Google Blog
GenTabs with Gemini 3
Introducing GenTabs, a new generative AI web app experience built with Gemini 3, allowing users to create interactive web applications based on open tabs and chat history.
Developer ToolsSource: Google Blog
Gemini 2.5 Text-to-Speech model updates
Gemini 2.5 Text-to-Speech models with enhanced expressivity, pacing control, and multi-speaker capabilities for improved voice generation
ProductSource: Google Blog
Pixel Watch 4 AI Gesture and Smart Reply Updates
Pixel Watch 4 introduces AI-powered one-handed gestures (double pinch, wrist turn) and enhanced Smart Replies using the on-device Gemma model for faster, more efficient message responses.
ProductSource: Google Blog
The Android Show: New features for Galaxy XR and a look at future devices
Android XR updates include PC Connect for expanding workspace, travel mode for stable viewing, and Likeness for realistic digital avatars. AI glasses and Project Aura from XREAL are also highlighted.
ProductSource: Google Blog
Gemini 3 Pro: the frontier of vision AI
Gemini 3 Pro is Google's most capable multimodal model, delivering state-of-the-art performance in document, spatial, screen, and video understanding with advanced visual and spatial reasoning capabilities.
ProductSource: Google Blog
Ads Advisor and Analytics Advisor Launch
Google Ads and Analytics introduce AI advisors to help advertisers with campaign optimization, performance analysis, and data insights. Ads Advisor provides personalized recommendations for campaign management, while Analytics Advisor offers conversational AI for data-driven dec…
Developer ToolsSource: Google Blog
Where December 2025 sits
Google Gemini releases per month, for December 2025 and the 11 months before it. A taller bar means more releases that month; the dated entries for each month are on its own page.
Other companies in December 2025
12 of the companies we track shipped in December 2025; Google Gemini ranks 2nd by number of releases.
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