LongCat 2.0 vs Step 3.5 Flash 2603

LongCat 2.0 vs Step 3.5 Flash 2603. A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

LongCatLongCat 2.0Off the frontier
Intelligence
19.10
Total cost
$545
StepFunStep 3.5 Flash 2603Not ranked · benchmark data missing
Intelligence
17.00
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.

MetricLongCat 2.0Step 3.5 Flash 2603Difference
Intelligence (higher is better)19.117.0−11.0% Step 3.5 Flash 2603 is 11.0% less intelligent
Total AA cost (lower is better)$544.74Not reported— not comparable
End-to-end time (lower is better)37.46s19.57s−47.8% Step 3.5 Flash 2603 is 47.8% faster
Price per 1M tokens (in / out)$0.75 / $2.95$0.10 / $0.30
Input modalitiesTextText
Open this matchup in the interactive pickerLongCat 2.0: what beats itStep 3.5 Flash 2603: what beats it
Matchup

Compare something else

Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/longcat-2-0/step-3-5-flash · Markdown: /api/v1/compare/longcat-2-0/step-3-5-flash?format=md · llms.txt · agent skill