In brief OpenAI released GPT-6 Astra on September 3 at $10 per million input tokens and $50 per million output, 2.5 times the price of the model it replaces. Testers with early access posted a street-by-street Manhattan in Unreal Engine, a browser-based 3D Hangzhou built in 24 minutes, a multiplayer shooter made in a day, and a Bach chorale with no voice-leading errors. The same testers rated its writing below its own predecessor, and Artificial Analysis measured a drop of roughly 80 Elo points on a benchmark of economically valuable professional work. OpenAI released GPT-6 Astra on September 3, and…