Anthropic Mythos outperforms GPT-5.5-Cyber in bug detection by 2027

Market overview

By Q4 2026, independent third-party testing will show Mythos identifying 15% more critical vulnerabilities than GPT-5.5-Cyber in standardized penetration tests. This aligns with Anthropic’s ongoing optimization of Mythos for cybersecurity workflows.

tech_stocks prediction market

Implied probability (Yes)

72%

Source: user-generated

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