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OpenAI introduces GPT-6 Astra; marks Critical cybersecurity tier
On Thursday, Sept. 3, 2026, OpenAI published “GPT-6 Astra: A new generation of intelligence,” introducing GPT-6 Astra as its most intelligent and aligned model, with claimed state-of-the-art results on computer use, browsing, software engineering, cybersecurity, science, and professional work. The post says Astra is rolling out to a limited set of organizations and over coming days to ChatGPT Plus, Pro, Business, and Enterprise users, plus the OpenAI API, Microsoft Azure, and AWS Bedrock. API model id gpt-6-astra; Standard pricing cited as $10 per million input tokens and $50 per million output tokens. OpenAI’s system card says Astra is its first model to reach the Critical cybersecurity capability threshold under its Preparedness Framework. The launch post says the version launching that day will refuse more advanced cybersecurity tasks such as creating proof-of-concept exploits, with less-restrictive defensive access planned through OpenAI Daybreak. Anthropic’s newsroom still led by Sept. 1 Fable/Mythos 5.1. Google’s Gemini 3.8 Flash remains Thursday’s File AI item. Live openai.com returned 403 to this desk; the launch-post text is from an Internet Archive capture.
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