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Anthropic’s cyber-capable Mythos model rolled out to roughly 150 organizations in 15+ countries through Project Glasswing

Anthropic’s Mythos model, described in private testing as capable of constructing complex cyber exploits, has been distributed to roughly 150 organizations across more than 15 countries under a ...
SiliconANGLE

OpenAI launches GPT-5.4-Cyber model for vetted security pros

OpenAI Group PBC today announced the launch of GPT-5.4-Cyber, a fine-tuned variant of its GPT-5.4 model designed for defensive cybersecurity work and also announced a significant expansion of its ...
Forbes

OpenAI’s New GPT-5.4-Cyber Raises The Stakes For AI And Security

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. OpenAI’s launch of GPT-5.4-Cyber this week, released just a week after Anthrophic revealed ...
Mashable

OpenAI follows Anthropic's lead in limited release of GPT‑5.4‑Cyber

OpenAI has unveiled GPT-5.4-Cyber, a new AI model that may be willing to accept seemingly malicious prompts in the name of cybersecurity. Fortunately, the ChatGPT developer won't let just anyone play ...
The Next Web

OpenAI opens its cybersecurity model to thousands of defenders in race with Anthropic’s Mythos

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 ...