← Back to PeopleJournalistAden BartonAuthor at Mercor@aden_bartonAuthored study showing Claude Opus 5 scored 100% on accounting tasks where junior CPAs averaged 37%.1Mentions1Articles1OutletsCompanies CoveredMercor1ArticlesMost recent firstMentioned InReferenced in coverageClaude Opus 5 scored 100% on month-end close tasks where 12 licensed CPAs averaged about 37%MercorcautiousOct 5, 2026“Authored study showing Claude Opus 5 scored 100% on accounting tasks where junior CPAs averaged 37%.”