The day in AI

Wednesday 12 November 2025

No written reading for this day yet. Here is everything that was logged.

Everything from this day

Launches and products

12 Nov 2025World LabsMarble Marble, World Labs' first public product, generates persistent 3D worlds from text, images, video or coarse layouts and exports Gaussian splats, meshes or video.12 Nov 2025OpenAIGPT-5.1 (Instant and Thinking) GPT-5.1 makes ChatGPT warmer and more adaptive; the API model adds a default "none" reasoning mode and 24-hour prompt caching.

Research

12 Nov 2025Google DeepMindAlphaProof methodology in Nature Google DeepMind publishes AlphaProof's methodology in Nature. It uses reinforcement learning over formal Lean proofs and is the system behind the 2024 IMO silver.

People and teams

Luo FuliDeepSeek → Xiaomi. Joined Xiaomi to lead its MiMo model team (reported as focused on spatial intelligence), a rare public move of a DeepSeek core developer to another Chinese company.