[UPDATE 15.05.2026 – 12:12 CEST] This article has been updated to correct the AISI cyber-range figures and clarify the benchmark comparison between GPT-5.5 and Claude Mythos Preview. AISI reports that ...
GPT-5.5 delivered more reliable results, fewer headaches, and smoother workflows than Opus 4.7. I’ve been writing about ...
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