{
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  "path": "/2026/04/14/openai-unveils-gpt-5-4-cyber-an-ai-model-for-defensive-cybersecurity/",
  "publishedAt": "2026-04-14T20:35:32.000Z",
  "site": "https://9to5mac.com",
  "tags": [
    "News",
    "Anthropic’s Claude Mythos",
    "more…"
  ],
  "textContent": "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 use.\n\nmore…",
  "title": "OpenAI unveils GPT‑5.4‑Cyber, an AI model for defensive cybersecurity"
}