Last month in AI - December 2025
Briefly

Last month in AI - December 2025
"December 2025 closed out a transformative year for artificial intelligence with a flurry of major model releases, significant policy shifts, and massive infrastructure investments. OpenAI and Google went head-to-head with their latest flagship models, the open-source community delivered a stunning array of competitive alternatives, and Apple quietly enabled a new era of local AI clustering. Meanwhile, the US government stepped in to create a national AI policy framework, and the race to build out the physical infrastructure for AI reached a fever pitch. 🚀"
"OpenAI reportedly accelerated its timeline to release GPT-5.2 on December 11th in response to a "code red" triggered by Google's recent advancements. Billed as the most capable model series yet for professional knowledge work, GPT-5.2 demonstrates significant improvements in creating spreadsheets, building presentations, writing code, and handling complex, multi-step projects. The model achieves a 70.9% score on the GDPval benchmark, a substantial leap from GPT-5.1's 38.8%."
"Google released Gemini 3 Flash, a frontier intelligence model optimized for speed and efficiency. Gemini 3 Flash is now the default model in the Gemini app and AI Mode in Search, bringing powerful reasoning capabilities to a global user base. Google also rolled out new AI verification tools in the Gemini app, allowing users to upload videos and verify if the content was generated or edited with Google's AI, using impercept"
December 2025 featured major AI model launches, policy moves, and infrastructure commitments across industry and government. OpenAI released GPT-5.2 and GPT-5.2-Codex, advancing professional knowledge work and coding capabilities and achieving a 70.9% GDPval score compared with GPT-5.1's 38.8%. Google deployed Gemini 3 Flash as a fast, efficient frontier model and added AI verification tools in its Gemini app. The open-source community produced competitive alternatives. Apple enabled local AI clustering on devices. The US established a national AI policy framework. Global investment accelerated to expand the physical infrastructure needed for large-scale AI deployment.
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