Claude Opus 5.5

Every benchmark where Claude Opus 5.5 has a score, best placing first. Click a benchmark for its full leaderboard.

Claude Opus 5.5

Anthropic

Benchmarks scored5

Finance Agent BenchmarkAnalyst Financial research · Partial Credit accuracy % · 29 Oct 2026
67.8#2 of 11
Vals Finance IndexAnalyst Financial research · index accuracy % · 29 Oct 2026
65.6#2 of 10
Excel Modeling Benchmark (EMB)Financial spreadsheets and accounting · accuracy % · 29 Oct 2026
75.8#4 of 10
Tax Agent BenchFinance knowledge · accuracy % (all-pass x citation factor) · 29 Oct 2026
45.6#4 of 10
FinanceBenchFinancial filings Q&A · % correct, no filing given (150-question sample) · 2 Nov 2026
60.3#3 of 5