Claude Opus 4.5 (Reasoning) vs Mercury 2.5

Claude Opus 4.5 (Reasoning) vs Mercury 2.5. A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

AnthropicClaude Opus 4.5 (Reasoning)Not ranked · benchmark data missing
Intelligence
29.10
Total cost
-
InceptionMercury 2.5Off the frontier
Intelligence
12.30
Total cost
$218
Verdict

Comparison incomplete

A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

MetricClaude Opus 4.5 (Reasoning)Mercury 2.5Difference
Intelligence (higher is better)29.112.3−57.7% Mercury 2.5 is 57.7% less intelligent
Total AA cost (lower is better)Not reported$218.11— not comparable
End-to-end time (lower is better)22.98s4.18s−81.8% Mercury 2.5 is 81.8% faster
Price per 1M tokens (in / out)$5.00 / $25.0$0.25 / $0.75
Input modalitiesText, ImageText
Open this matchup in the interactive pickerClaude Opus 4.5 (Reasoning): what beats itMercury 2.5: what beats it
Matchup

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Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-opus-4-5-thinking/mercury-2-5 · Markdown: /api/v1/compare/claude-opus-4-5-thinking/mercury-2-5?format=md · llms.txt · agent skill