2. Security

Anthropic details Fable 5's cyber safeguards and a draft jailbreak severity framework, sorting cybersecurity uses into risk tiers and scoring techniques on four axes.

US export controls on Fable 5 and Mythos 5 have lifted. Anthropic details the Amazon-reported bypass, its fix, and a new Glasswing-backed framework for scoring AI jailbreak severity

OpenAI's Daybreak shifts cyber AI focus from finding flaws to fixing them, pairing an upgraded GPT-5.5-Cyber and Codex Security with a new vendor partner programme and an open-source patching drive.

Mindgard researcher Jim Nightingale says he was left "shaken, and in tears" after finding ChatGPT could be tricked into generating graphic violent and sexual images with minimal prompting.

The paper landed four days after Anthropic's Fable 5 was withdrawn

OpenAI Publishes Evaluation Playbook as Frontier Model Testing Comes Under Scrutiny