AI Daily Briefing – Sep 1: GPT-6 Demo Leak, Macs for RL
It's a morning with the feel of a launch countdown. GPT-6's grayscale demo is flooding social media ahead of a rumored Thursday drop, OpenAI quietly bought tens of thousands of Macs to train with, and Claude is now training Claude — at $4 an hour, outrunning human researchers that cost $150. Here's what mattered on September 1, 2026. Top 3 Highlights 1. GPT-6 gray-test demo sweeps the int …




