Claude 4 Opus (Reasoning) vs Qwen3.5 4B (Reasoning)

Claude 4 Opus (Reasoning) vs Qwen3.5 4B (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 4 Opus (Reasoning)Qwen3.5 4B (Reasoning)Difference
Intelligence (higher is better)20.613.1−36.4% Qwen3.5 4B (Reasoning) is 36.4% less intelligent
Total AA cost (lower is better)Not reportedNot reported— not comparable
End-to-end time (lower is better)Not reported133.36s— not comparable
Price per 1M tokens (in / out)$15.0 / $75.0$0.03 / $0.15
Input modalitiesText, ImageText, Image, Video
Matchup

Compare something else

Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-4-opus-thinking/qwen3-5-4b · Markdown: /api/v1/compare/claude-4-opus-thinking/qwen3-5-4b?format=md · llms.txt · agent skill