Last Week in AI: OpenAI’s “Code Red”, Anthropic’s Quiet Confidence, Claude 4.5, Gemini 3 Dominance, and Meta’s Publisher Deals (Dec 1–7, 2025)
Last Updated on December 9, 2025 by Editorial Team
Author(s): AIversity
Originally published on Towards AI.
Your weekly breakdown of what actually mattered in artificial intelligence — without the noise.
This week was pure fire — from OpenAI’s urgent “code red” scramble against Google’s Gemini 3 dominance, Anthropic’s cool-headed Claude 4.5 launch and 300K+ enterprise customers, to Meta’s blockbuster publisher deals and DeepSeek’s open-source bombshells that rival the giants at 30x lower cost.

The article discusses the key highlights from the past week in AI, including OpenAI’s “code red” as a reaction to Google’s Gemini 3, Anthropic’s strategic growth with Claude 4.5, Meta’s new licensing deals with major publishers, and DeepSeek’s rise in the AI landscape with its open-source models that outperform competitors while being cost-effective. It emphasizes the importance of speed, enterprise solutions, and data licensing in the evolving AI market.
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
Take our 90+ lesson From Beginner to Advanced LLM Developer Certification: From choosing a project to deploying a working product this is the most comprehensive and practical LLM course out there!
Towards AI has published Building LLMs for Production—our 470+ page guide to mastering LLMs with practical projects and expert insights!

Discover Your Dream AI Career at Towards AI Jobs
Towards AI has built a jobs board tailored specifically to Machine Learning and Data Science Jobs and Skills. Our software searches for live AI jobs each hour, labels and categorises them and makes them easily searchable. Explore over 40,000 live jobs today with Towards AI Jobs!
Note: Content contains the views of the contributing authors and not Towards AI.