Expired80% confidenceFactTime unknown
GPT-5.5 has been made available to the public, while Claude Mythos had not yet been fully publicly released at the time of its evaluation.
7
Sources
80%
Confidence
Medium-term (~90 days)
Relevance
6/1/2026
First Seen
Valid until: 8/30/2026(expired)
Sources
英国AISI评估报告：GPT-5.5网络安全能力比肩Claude Mythos
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