After Anthropic unveiled its Claude Mythos AI model, OpenAI introduced its own cybersecurity-focused model, GPT-5.4-Cyber.

Described by OpenAI as a new model tuned for defensive cybersecurity tasks, GPT-5.4-Cyber is being offered first to vetted ...

OpenAI has announced a new AI model called GPT-5.4-Cyber. Similar to Anthropic’s Claude Mythos, this new “cyber-permissive” ...

OpenAI says its safeguards “sufficiently reduce cyber risk” for now, while GPT-5.4-Cyber is a new cybersecurity-focused model ...

Cyber, a fine-tuned variant of its GPT-5.4 model designed for defensive cybersecurity work and also announced a significant ...

OpenAI launches GPT-5.4-Cyber with binary reverse engineering for verified defenders, scaling access to thousands as it ...

Introduction In an era where data breaches and cyber threats are on the rise, organizations are seeking advanced solutions to ...

OpenAI launches GPT-5.4-Cyber with selective access for verified defenders, adding a cyber-focused model and tighter controls ...

A Chinese cybersecurity firm has claimed AI-driven vulnerability discovery capabilities that approach the scale of Claude ...

The head of the National Cyber Security Centre says frontier AI tools can be a force for good - if kept out of the wrong ...

OpenAI is letting a select group of users access a new artificial intelligence model that’s meant to be more adept at ...

Finance ministers, central bankers and Barclays' chief executive warn that Anthropic's new Mythos AI model could expose ...