Claude Opus 4 vs Claude Sonnet 4 in finance
Every finance benchmark where both have a score (Anthropic and Anthropic). Data refreshed 2 Nov 2026.
- Shared benchmarks
- 2
- Claude Opus 4 only
- 1
- Claude Sonnet 4 only
- 1
Shared benchmarks, side by side
Each benchmark is drawn on its own scale. Bars are not comparable across rows.
- Claude Opus 4
- Claude Sonnet 4
CAIA (Crypto AI Agent Benchmark) accuracy % (majority vote, 5 runs), higher is better
Claude Opus 4:57.3 (better)Claude Sonnet 4:56.7Advanced Financial Reasoning at Scale (CFA Level III evaluation) overall % (mean of MCQ and essay), higher is better
Claude Opus 4:74.9 (better)Claude Sonnet 4:73.4
Benchmark
Claude Opus 4
Claude Sonnet 4
4 benchmarks, 2 scored for both. Bold marks the better score where both have one.
CAIA (Crypto AI Agent Benchmark)accuracy % (majority vote, 5 runs), higher is better
Advanced Financial Reasoning at Scale (CFA Level III evaluation)overall % (mean of MCQ and essay), higher is better
FAITHoverall accuracy %, higher is better
Not scored
LiveTradeBenchcumulative return %, higher is better
Not scored
Scores from different benchmarks use different scales and are not added up. Settings can differ between sources; see each leaderboard for details.