Research2026-10-16

Artificial Analysis published Intelligence Index v4.3.2. It aggregates ten evaluations across mathematics, science, coding and reasoning. Claude Opus 5.5 Max leads with a score of 58. Claude Sonnet 5.5 Max and Claude Opus 5.5 Xhigh both score 56. The index tracks progress toward artificial general intelligence. Evaluations include AA-Briefcase, GDPval-AA, AutomationBench-AA and Terminal-Bench 4.0. Others are SciCode, Humanity’s Last Exam, GDP.pdf, CritPt, AA-Omniscience and AA-LCR. Artificial Analysis runs all tests independently. The methodology is documented on its site.

  • 58 top score by Claude Opus 5.5 (Max, Default Fallback)
  • 56 score by Claude Sonnet 5.5 (Max, Default Fallback)
  • 56 score by Claude Opus 5.5 (Xhigh, Default Fallback)
  • 10 evaluations aggregated

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