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Anthropic still won’t hand over its ‘Mythos’ cyber model — even as OpenAI agrees to give the EU a locked-down version of GPT-5.5
An AI model built by Anthropic just did something no previous system had managed in UK government testing: it autonomously hacked its way through a simulated corporate network in 32 sequential steps, ...
GPT-5.5-Cyber scales up the latest model released by OpenAI two weeks ago and will only be available initially to vetted cybersecurity professionals.
April 14 (Reuters) - OpenAI on Tuesday unveiled GPT-5.4-Cyber, a variant of its latest flagship model fine-tuned specifically for defensive cybersecurity work, following rival Anthropic's ...
OpenAI said it was previewing a powerful artificial-intelligence model capable of finding software vulnerabilities for a limited group of partners, adding to an industry race to give cu ...
OpenAI is expanding access to its most advanced AI models to help businesses and governments shore up their cyber defenses, a sharp contrast to rival Anthropic, which says controlling access to its ...
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