Claude Opus 5.5 (Low, Default Fallback) vs GPT-4.1 nano

Claude Opus 5.5 (Low, Default Fallback) vs GPT-4.1 nano. A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

AnthropicClaude Opus 5.5 (Low, Default Fallback)Off the frontier
Intelligence
42.30
Total cost
$860
OpenAIGPT-4.1 nanoNot ranked · benchmark data missing
Intelligence
7.80
Total cost
-
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 5.5 (Low, Default Fallback)GPT-4.1 nanoDifference
Intelligence (higher is better)42.37.8−81.6% GPT-4.1 nano is 81.6% less intelligent
Total AA cost (lower is better)$860.33Not reported— not comparable
End-to-end time (lower is better)15.14s2.63s−82.6% GPT-4.1 nano is 82.6% faster
Price per 1M tokens (in / out)$4.00 / $20.0$0.10 / $0.40
Input modalitiesText, ImageText, Image
Open this matchup in the interactive pickerClaude Opus 5.5 (Low, Default Fallback): what beats itGPT-4.1 nano: 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-5-5-low/gpt-4-1-nano · Markdown: /api/v1/compare/claude-opus-5-5-low/gpt-4-1-nano?format=md · llms.txt · agent skill