The Daily AI · April 17, 2026

Anthropic and OpenAI Ignite 'Cyber AI' Arms Race with Gated Frontier Models

In a pivotal week for AI safety and competition, Anthropic released Claude Opus 4.7 for general use while keeping its most powerful model, 'Claude Mythos,' in a restricted preview due to high cybersecurity risks. OpenAI countered with the release of GPT-5.4-Cyber, a specialized flagship variant tuned for defensive security. This shift marks a new industry standard where 'frontier-class' capabilities are increasingly gated behind vetted access programs like Anthropic’s Project Glasswing and OpenAI’s Trusted Access for Cyber.

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Boston Dynamics’ Spot robot, now powered by Google DeepMind’s Gemini Robotics-ER 1.6, can read analog gauges and thermometers with 98% accuracy during autonomous industrial inspections.

Quiz

Which restricted Anthropic model was deemed 'too dangerous for public release' this month due to its advanced cybersecurity capabilities?

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