Claude Haiku 5.5 (Low) vs Claude Opus 4.5 (Reasoning)

Claude Haiku 5.5 (Low) vs Claude Opus 4.5 (Reasoning). A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

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 Haiku 5.5 (Low)Claude Opus 4.5 (Reasoning)Difference
Intelligence (higher is better)29.529.1−1.4% Claude Opus 4.5 (Reas… is 1.4% less intelligent
Total AA cost (lower is better)$34.31Not reported— not comparable
End-to-end time (lower is better)11.13s22.94s+106.1% Claude Opus 4.5 (Reas… is 106.1% slower
Price per 1M tokens (in / out)$0.10 / $0.50$5.00 / $25.0
Input modalitiesText, ImageText, Image
Matchup

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