OpenAI Unveils GPT-5.4-Cyber for Improving Cyber Defense With AI

OpenAI’s new frontier model focused on cybersecurity comes following Anthropic’s launch of Claude Mythos Preview and Project Glasswing

Security Aid April 15, 2026 1 minute read

OpenAI’s new frontier model focused on cybersecurity comes following Anthropic’s launch of Claude Mythos Preview and Project GlasswingOpenAI’s new frontier model focused on cybersecurity comes following Anthropic’s launch of Claude Mythos Preview and Project Glasswing Read More

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