April 14 (Reuters) - OpenAI on Tuesday unveiled GPT-5.4-Cyber, a variant of its latest flagship model fine-tuned specifically ...
CISOs must prepare for AI-powered cyberattacks as Anthropic's Mythos speeds up vulnerability discovery and exploitation, ...
OpenAI is letting a select group of users access a new artificial intelligence model that’s meant to be more adept at ...
A week after Anthropic said it would limit the release of its latest artificial intelligence technology to a small number of ...
Cyber. Similar to Anthropic’s Claude Mythos, this new “cyber-permissive” variant of its GPT-5.4 is built for defensive ...
OpenAI says its safeguards “sufficiently reduce cyber risk” for now, while GPT-5.4-Cyber is a new cybersecurity-focused model ...
AISI’s findings show that Mythos isn’t significantly different from other recent frontier models in tests of individual ...