Mythos is supposedly so powerful that Anthropic is not making it generally available, instead providing it to only a few ...
Described by OpenAI as a new model tuned for defensive cybersecurity tasks, GPT-5.4-Cyber is being offered first to vetted security researchers, vendors and organizations.
Current cyber risk assumptions may no longer be valid given the speed of advanced AI, warns the chief executive of ...
Artificial intelligence (AI) may have dominated wider tech headlines this year – and this held true in the cyber world as well – but at the same time, the security community’s concerns extend far ...
OpenAI has announced a new AI model called GPT-5.4-Cyber. Similar to Anthropic’s Claude Mythos, this new “cyber-permissive” variant of its GPT-5.4 is built for defensive cybersecurity and not public ...
OpenAI launches GPT-5.4-Cyber with selective access for verified defenders, adding a cyber-focused model and tighter controls for high-risk use.
In short: OpenAI is releasing GPT-5.4-Cyber, a model fine-tuned for defensive cybersecurity with lowered refusal boundaries and binary reverse engineering capabilities, and scaling its Trusted Access ...
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