BREAKING
GPT-5.5-Cyber Tops Mythos 5
CyberGym pass@1 scores
GPT-5.581.8
Mythos 583.1
5.5-Cyber85.6
0
vulnerabilities
0
projects
Defense-oriented workflow
1Trace
2Validate
3Patch
4Evidence
Mixed reception
Praised
Fewer refusals on red teams
Automated patching tools
Concerns
Patches may add bugs
Gated access limits reach
Near-parity, more available
AI NEWS BLITZ
OpenAI says its new cyber model has overtaken Anthropic's Mythos 5 on CyberGym.