GPT-6 Astra Deep Report: Recurrent Depth, FrontierMath Saturation, and OpenAI API Economics
A technical analysis of OpenAI’s GPT-6 Astra, released on September 4, 2026. Covers the 1,050,000-token context window, 97.6% FrontierMath score, 99.9% ARC-AGI-3 adapter result, recurrent depth reasoning, and complete developer API pricing.