Claude Opus 5 (Low) vs Qwen3.5 27B (Reasoning)

Claude Opus 5 (Low) vs Qwen3.5 27B (Reasoning). 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 (Low)Off the frontier
Intelligence
39.40
Total cost
$1561
AlibabaQwen3.5 27B (Reasoning)Not ranked · benchmark data missing
Intelligence
22.90
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 (Low)Qwen3.5 27B (Reasoning)Difference
Intelligence (higher is better)39.422.9−41.9% Qwen3.5 27B (Reasonin… is 41.9% less intelligent
Total AA cost (lower is better)$1,560.91Not reported— not comparable
End-to-end time (lower is better)11.44s37.90s+231.3% Qwen3.5 27B (Reasonin… is 231.3% slower
Price per 1M tokens (in / out)$5.00 / $25.0$0.30 / $2.40
Input modalitiesText, ImageText, Image
Open this matchup in the interactive pickerClaude Opus 5 (Low): what beats itQwen3.5 27B (Reasoning): 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-low/qwen3-5-27b · Markdown: /api/v1/compare/claude-opus-5-low/qwen3-5-27b?format=md · llms.txt · agent skill