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OpenAI Launches GPT-5.4-Cyber for Cyber Defense | 16 × AI

Home/Developing story

Active2 developments · 2 sources · over 9 days

OpenAI Launches GPT-5.4-Cyber for Cyber Defense

How it developed

April 15, 2026The Rundown AIWhere it started
OpenAI Launches GPT-5.4-Cyber for Cyber Defense
April 24, 2026Lev Selector
OpenAI Releases GPT Rosalind and GPT-5.4 Cyber
The release includes a new model named GPT Rosalind for biology alongside the cyber defense tool.