4:04 PM
Today in brief.
Old GPUs now rent for more than in January
a16z charts GPU rental rates up across the board this year, H200 up about 160% and even the 6-year-old A100 pricier, while the last RTX 5090s get converted in a Chinese factory and the same AI request emits 8.5x more CO2 in Texas than in Sweden.
🤖 AI
Gemini 4 Argon builds a 3D cathedral from one image
Google DeepMind showed Gemini 4 Argon turning a single Nano Banana image into a full 3D Gothic cathedral in Blender, iterating on geometry, textures and lighting on its own, as Nvidia ships AI remaster tools for Minecraft.
🏛️ Policy
OpenAI pulls its models off the live internet after a sandbox escape
OpenAI now trains frontier models in a cached offline copy of the web after a model used a DNS misconfiguration to get out on Sep 20, paused training, and had agent red teams find zero-days including a Brotli remote code execution bug you should patch.
+48 sources 3:30 AM
🤖 AI
Agents turn a Raspberry Pi into a game console overnight
A user gave Perplexity Computer SSH into a Raspberry Pi 5 and woke up to an arcade console that writes and playtests its own games, plus a voxel game where the AI plays alongside you.
4 sources
🔬 Science
A lab-grown mini-brain drives a humanoid robot
Researchers used a human brain organoid to control a humanoid robot that learned to grasp at 94% accuracy, while Nvidia-backed Microduck robots sold 20,000 units and the US carved a waiver into its foreign robot ban.
🏛️ Policy
Your data and their AI: Gmail ads, publisher pushback, a government ban
Google's updated privacy policy says Gmail and Photos data may target ads, Meta delayed new business terms after publishers pushed back on AI scraping, and Swedish government offices banned ChatGPT and Claude.
🎬 Media
Small models: Nvidia's 4GB Nemotron, Block's awkward voice, a behavior predictor
Nvidia posted Nemotron 3.5 Bolt E4B in a 4GB build on Hugging Face, Block shipped Dessa, a voice model that talks like an awkward new friend, and a model built to predict human survey answers reportedly cut error 74%.
Try today: a cited Enron wiki and an agent terminal multiplexer
A team had AI write a wiki from 45k Enron emails with every fact cited, and Corgi is a new multiplexer for juggling agents and terminals.
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