Скачать или смотреть AlphaGeometry 2 & Jules Coding.

Google AI update for Dec 28, 2025 to Jan 4, 2026. This week marks a shift toward agentic intelligence as Gemini 3 Flash becomes the default model.

Key highlights from this reporting period include:

• Gemini 3 Flash rollout as the default model in the Gemini app and AI Mode in Search across ~120 countries.

• Launch of Gemini Deep Research for developers via the Interactions API and the new DeepSearchQA benchmark.

• Formal publication of AlphaGeometry 2 in JMLR, including the release of the DDAR symbolic reasoning engine.

• Official completion of the 18-day December 2025 Core Search Update on December 29.

• New BigQuery AI.GENERATE function integration with Vertex AI Gemini models for streamlined data processing.

This briefing is built exclusively from primary source documentation and verified Google AI announcements within the 28-Dec-2025 to 04-Jan-2026 window.