SemiAnalysis reports a best score of 12% on its new GDPx benchmark
SemiAnalysis launched an agent benchmark across 11 domains, including chip design, cybersecurity and biology; it says Claude Opus 5.5 leads its tests. Its finance and legal tasks defeated every tested model under binary grading, so it also reports partial-credit scores for those domains. The evaluator says safety refusals affect some results.
ThereforeBuyers can examine where agents fail in extended professional workflows before choosing a model.