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Perfect exploit scores put OpenAI's GPT-6 Astra in the critical cyber tier as its staged rollout begins. (Image: Shutterstock)
Astra Hits Perfect 100% On OpenAI's Toughest Cyber Benchmark
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OpenAI on Thursday began rolling out GPT-6 Astra, the first model it has labeled critical for cyber risk after a perfect 100% score on ExploitBench. Key Points: OpenAI released GPT-6 Astra on Thursday, starting with vetted defenders in its Daybreak program, with ChatGPT Plus, Pro, Business and Enter
OpenAI Launches GPT-6 Astra, Its Most Capable Model Yet
OpenAI Launches GPT-6 Astra, Its Most Capable Model Yet
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Key Points OpenAI launched GPT-6 Astra on September 3, 2026, calling it the best model in the world. Astra claims top scores on FrontierMath Tier 4, ARC-AGI-3, and TerminalBench-4.0. Rolling out now to ChatGPT Plus, Pro, Business, and Enterprise users and via the API. OpenAI CEO Sam Altman described

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