OpenAI Widens Access to Cybersecurity Model After Anthropic’s Mythos Reveal

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GPT‑5.4‑Cyber is a model fine-tuned for defenders, lowering boundaries for legitimate cybersecurity work.

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OpenAI Launches GPT-5.4-Cyber to Boost Defensive CybersecurityYou can get 50% off YouTube Premium for 1 year right now – but the deal...