OpenAI Releases GPT-6 Astra, Claims AGI Milestone Amid Safety Concerns

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OpenAI launched GPT-6 Astra on September 3, with president Greg Brockman publicly declaring that artificial general intelligence had arrived, though CEO Sam Altman had described AGI as a poorly defined term just days earlier. The model posts near-perfect scores on several leading benchmarks, including 99.9% on ARC-AGI-3 and 98% on FrontierMath Tier 4, while outperforming rivals on agent and software-task evaluations using significantly fewer tokens. Astra is the first OpenAI model to hit the Critical cybersecurity threshold under the company's Preparedness Framework, with unsafeguarded testing showing it could exploit unknown browser vulnerabilities and write privilege-escalation code for hardened systems. The publicly released version blocks those advanced capabilities for general users, while a separate vetted-access track called Daybreak is being made available to security defenders. OpenAI is also committing $1 billion in subsidized access and support for critical infrastructure operators, including water utilities and grid operators, over a six-month period.

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