Last Week in AI: Gemini 3 Flash & GPT-5.2 Arrive, Agentic AI Hits $60M, DeepSomatic Cracks Cancer (Dec 22–28, 2025)

Author(s): AIversity Originally published on Towards AI. Your weekly breakdown of what actually mattered in artificial intelligence without the noise. It’s the final week of December 2025, and while many are winding down for the holidays, the AI world is doing the exact opposite. While you were wrapping up your year, the AI landscape fundamentally shifted. Models got faster, intelligence got deeper, and the cost of building autonomous agents just plummeted. Image created by AuthorThis article covers significant developments in AI from the week, highlighting advancements like Google’s Gemini 3 Flash and GPT-5.2, which showcase impressive speed and efficiency prices dropping across models, making high-quality AI accessible to more enterprises than ever. The emergence of agentic AI systems is highlighted as a trend bringing substantial revenue to companies, while advancements like DeepSomatic stand out for their real-world impact in cancer detection. Overall, the landscape is rapidly evolving, with increased focus on AI governance and the role of open-source models competing with traditional pioneers. Read the full blog for free on Medium. Join thousands of data leaders on the AI newsletter. Join over 80,000 subscribers and keep up to date with the latest developments in AI. From research to projects and ideas. If you are building an AI startup, an AI-related product, or a service, we invite you to consider becoming a sponsor. Published via Towards AI