OpenAI Releases GPT-6 Astra: A 1.05M-Context Computer-Use Model Gated Behind a ‘Critical’ Cyber Threshold (www.marktechpost.com)
<p>OpenAI released GPT-6 Astra on September 3, 2026, positioning it as a computer-use flagship rather than a chat model. It reports 72.6% on OSWorld V2-Offline, replaces Codex compaction with searchable notes, and ships a 1.05M-token context at $10/$50 per million tokens. It is also the first OpenAI model to cross the Critical cybersecurity threshold, which shapes who can use it and for what.</p>
<p>The post <a href="https://www.marktechpost.com/2026/09/03/openai-releases-gpt-6-astra-a-1-05m-context-computer-use-model-gated-behind-a-critical-cyber-threshold/">OpenAI Releases GPT-6 Astra: A 1.05M-Context Computer-Use Model Gated Behind a ‘Critical’ Cyber Threshold</a> appeared first on <a href="https://www.marktechpost.com">MarkTechPost</a>.</p>
<p>The post <a href="https://www.marktechpost.com/2026/09/03/openai-releases-gpt-6-astra-a-1-05m-context-computer-use-model-gated-behind-a-critical-cyber-threshold/">OpenAI Releases GPT-6 Astra: A 1.05M-Context Computer-Use Model Gated Behind a ‘Critical’ Cyber Threshold</a> appeared first on <a href="https://www.marktechpost.com">MarkTechPost</a>.</p>
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