GPT-5.5-Cyber adoption by Fortune 500 cyber teams by year-end

By December 31, 2025, at least 30% of Fortune 500 companies with dedicated cybersecurity teams will have adopted GPT-5.5-Cyber for internal use. This is driven by its demonstrated parity with Mythos in bug-finding and exploitation tests, making it a compelling tool for enterprise security teams.

Implied probability (Yes)

72%