GPT-6 Astra starts rolling out with gated cyber capabilities

OpenAI is beginning a phased rollout of GPT-6 Astra, with early access for companies in its Daybreak cybersecurity program and broader access planned over the coming days. ChatGPT Plus, Pro, Business, and Enterprise users, API customers, and Amazon Web Services users are the announced routes. 1

CNBC identifies the rollout as GPT-6 Astra; OpenAI's own safety announcement uses the name Astra. The major change is sustained, higher-stakes work rather than a single benchmark score. 2

OpenAI reports a 100% ExploitBench score and says Astra found and chained two zero-day vulnerabilities in an internal test of 20 recently disclosed high-severity V8 flaws. Those results used Daybreak Blue access rather than the default production configuration. 2 The company also reports a 91.5% refusal rate on its cyber-jailbreak set, compared with 59% for GPT-5.6 Sol. The full system card and broader evaluation details are due at launch. 2

Astra raises the ceiling for delegated computer use, coding, research, and security work while making the control layer visible in the product plan. Developers can evaluate it through the earliest access route, but a useful comparison needs completion quality, latency, token use, interruptions, permissions, and human cleanup. OpenAI has published no Astra pricing or general benchmark matrix in the launch material reviewed here, so GPT-5.6 Sol remains the measurable baseline until those details arrive. 12