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OpenAI's GPT-5.5-Cyber Surpasses Anthropic's Mythos in Cybersecurity Performance
AI 3 min read

OpenAI's GPT-5.5-Cyber Surpasses Anthropic's Mythos in Cybersecurity Performance

OpenAI has announced a significant expansion of its Daybreak cybersecurity initiative, introducing the advanced Codex Security plugin and the comprehensive GPT-5.5-Cyber model. This latest iteration marks a pivotal shift in cybersecurity ap...

The Decoder
01 Jul 2026, 09:18 GST
OpenAI's GPT-5.5-Cyber Surpasses Anthropic's Mythos in Cybersecurity Performance
AI 3 min read

OpenAI's GPT-5.5-Cyber Surpasses Anthropic's Mythos in Cybersecurity Performance

OpenAI is significantly advancing its Daybreak cybersecurity initiative with the introduction of the updated Codex Security plugin and the comprehensive GPT-5.5-Cyber model. This n...

The Decoder · 01 Jul 2026 3 min read