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Sourced AI briefs in publish order — newest first. Citeable originals live on the homepage under From Signal Desk.

AISep 3, 2026OpenAI

GPT-6 Astra: A new generation of intelligence

OpenAI's GPT-6 Astra launch sells agentic computer use and alignment in the same breath—and admits the model hits Critical cyber capability under its own Preparedness Framework.