OpenAI on Tuesday unveiled GPT-5.4-Cyber, a variant of its latest flagship model, GPT‑5.4, that’s specifically optimized for defensive cybersecurity use cases, days after rival Anthropic unveiled its… Read MoreThe Hacker News
OpenAI Launches GPT-5.4-Cyber with Expanded Access for Security Teams
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- April 15, 2026
- 1 min read
