GPT-6 Astra Ships with 1M Context, Tops ARC-AGI-3

OpenAI released GPT-6 Astra, a flagship vision-language model with 1M context that tops ARC-AGI-3 and cuts token costs. It is the first model rated 'critical' for cybersecurity risk under OpenAI's Preparedness Framework.

2026-09-14 ~ 2026-09-14 · 2 related posts

• GPT-6 Astra: 1M-token context, 2.5x price, and a 'Critical' cyber risk rating — Thirumalaivasan_GJ · 2026-09-14
• GPT-6 Astra tops ARC-AGI-3 while slashing token costs, DeepLearning.AI reports — DeepLearningAI · 2026-09-14