Claude Opus 5.5 (Low, Default Fallback) vs JT-4.1 Flash 236B A21B (Reasoning)

Claude Opus 5.5 (Low, Default Fallback) vs JT-4.1 Flash 236B A21B (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 5.5 (Low, Default Fallback)Off the frontier
Intelligence
42.30
Total cost
$860
China MobileJT-4.1 Flash 236B A21B (Reasoning)Not ranked · benchmark data missing
Intelligence
33.90
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 5.5 (Low, Default Fallback)JT-4.1 Flash 236B A21B (Reasoning)Difference
Intelligence (higher is better)42.333.9−19.9% JT-4.1 Flash 236B A21… is 19.9% less intelligent
Total AA cost (lower is better)$860.33Not reported— not comparable
End-to-end time (lower is better)15.06sNot reported— not comparable
Price per 1M tokens (in / out)$4.00 / $20.0—
Input modalitiesText, ImageText, Image
Open this matchup in the interactive pickerClaude Opus 5.5 (Low, Default Fallback): what beats itJT-4.1 Flash 236B A21B (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-5-5-low/jt-4-1-flash-236b-a21b · Markdown: /api/v1/compare/claude-opus-5-5-low/jt-4-1-flash-236b-a21b?format=md · llms.txt · agent skill