OpenAI launches GPT-6 Astra, the first model it classifies as critical-risk under its own cybersecurity framework

OpenAI 发布 GPT-6 Astra，并首次将其列为 Preparedness Framework 下关键级网络安全模型

OpenAI shipped GPT-6 Astra, and president Greg Brockman says it may already qualify as AGI under OpenAI's own definition—outperforming humans at most economically valuable work. Astra scores 99.9% on ARC-AGI-3, 97.6% on FrontierMath Tier 4 v2, and a perfect 100% on ExploitBench. It is the first model OpenAI has rated as a critical cybersecurity risk in its Preparedness Framework. Token prices are 2.5× higher than predecessor Sol and on par with Anthropic's Fable 5.1, though OpenAI argues per-task cost is lower. Pretraining ran on over 100,000 GPUs at the Stargate facility in Texas—OpenAI's largest training run ever. The post says paying ChatGPT customers and cloud platforms will get access in the coming days, but does not give a specific date.

Why it matters: GPT-6 Astra launch with OpenAI's first self-declared AGI-era framing and Critical-level cybersecurity classification under its Preparedness Framework. Brockman's direct AGI claim is backed by concrete ARC-AGI-3 and FrontierMath scores. Cross-source cluster confirmed; this is a...