GLM-5.1 (Reasoning) vs Step 3.5 Flash

GLM-5.1 (Reasoning) vs Step 3.5 Flash. A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

Z AIGLM-5.1 (Reasoning)Off the frontier
Intelligence
26.10
Total cost
$1487
StepFunStep 3.5 FlashNot ranked · benchmark data missing
Intelligence
16.60
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.

MetricGLM-5.1 (Reasoning)Step 3.5 FlashDifference
Intelligence (higher is better)26.116.6−36.4% Step 3.5 Flash is 36.4% less intelligent
Total AA cost (lower is better)$1,486.78Not reported— not comparable
End-to-end time (lower is better)60.76s20.68s−66.0% Step 3.5 Flash is 66.0% faster
Price per 1M tokens (in / out)$1.28 / $4.07$0.10 / $0.30
Input modalitiesTextText
Open this matchup in the interactive pickerGLM-5.1 (Reasoning): what beats itStep 3.5 Flash: what beats it
Matchup

Compare something else

Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/glm-5-1/step-3-5-flash-0202 · Markdown: /api/v1/compare/glm-5-1/step-3-5-flash-0202?format=md · llms.txt · agent skill