Claude Opus 5.5 (Low, Default Fallback) vs GPT-5.4 (Low)

Claude Opus 5.5 (Low, Default Fallback) vs GPT-5.4 (Low). 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-5.4 (Low)Not ranked · benchmark data missing
Intelligence
27.60
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-5.4 (Low)Difference
Intelligence (higher is better)42.327.6−34.8% GPT-5.4 (Low) is 34.8% less intelligent
Total AA cost (lower is better)$860.33Not reported— not comparable
End-to-end time (lower is better)13.42s9.05s−32.6% GPT-5.4 (Low) is 32.6% faster
Price per 1M tokens (in / out)$4.00 / $20.0$2.50 / $15.0
Input modalitiesText, ImageText, Image
Open this matchup in the interactive pickerClaude Opus 5.5 (Low, Default Fallback): what beats itGPT-5.4 (Low): 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-5-4-low · Markdown: /api/v1/compare/claude-opus-5-5-low/gpt-5-4-low?format=md · llms.txt · agent skill