Claude Opus 5.5 vs Gemini 4 Carbon
Every finance benchmark where both have a score (Anthropic and Google). Data refreshed 2 Nov 2026.
- Shared benchmarks
- 4
- Claude Opus 5.5 only
- 1
- Gemini 4 Carbon only
- 1
Shared benchmarks, side by side
Each benchmark is drawn on its own scale. Bars are not comparable across rows.
- Claude Opus 5.5
- Gemini 4 Carbon
Excel Modeling Benchmark (EMB) accuracy %, higher is better
Claude Opus 5.5:75.8Gemini 4 Carbon:76.5 (better)Finance Agent Benchmark Partial Credit accuracy %, higher is better
Claude Opus 5.5:67.8 (better)Gemini 4 Carbon:67.2Vals Finance Index index accuracy %, higher is better
Claude Opus 5.5:65.6Gemini 4 Carbon:66.3 (better)Tax Agent Bench accuracy % (all-pass x citation factor), higher is better
Claude Opus 5.5:45.6Gemini 4 Carbon:48.9 (better)
Benchmark
Claude Opus 5.5
Gemini 4 Carbon
6 benchmarks, 4 scored for both. Bold marks the better score where both have one.
Excel Modeling Benchmark (EMB)accuracy %, higher is better
Finance Agent BenchmarkPartial Credit accuracy %, higher is better
Vals Finance Indexindex accuracy %, higher is better
Tax Agent Benchaccuracy % (all-pass x citation factor), higher is better
APEX-AccountingMean Score (% criteria passed), higher is better
Not scored
FinanceBench% correct, no filing given (150-question sample), 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.