Introducing GPT-6 Astra, our most intelligent and aligned model yet. ✨ 💻 State-of-the-art computer use and software engineering 🔬 New breakthroughs in math and science ✨ Polished documents, spreadsheets and presentations that follow your templates and style Astra scores 99.9% on ARC-AGI-3 and 98% on FrontierMath Tier 4, and has already helped solve long-standing open problems in mathematics. With improvements to the Codex harness, Astra completes tasks 1.9x faster than GPT-5.6 Sol on Mind2Web. In Codex, it can ask questions while continuing independent work. A new experimental context feature lets it keep notes and search earlier context windows throughout long tasks. Astra also brings stronger cybersecurity capabilities, backed by additional safeguards and monitoring to detect and stop unauthorized actions. We are starting with a limited set of organizations, including organizations that are part of our Daybreak Access program. Broader availability across ChatGPT Plus, Pro, Business, Enterprise, the OpenAI API and AWS is coming over the coming days. API pricing per 1M tokens: Standard: $10 input / $50 output Fast: $20 input / $100 output, for up to 2.5x the speed