GLM-5.1 (Reasoning) vs GPT-5 nano (High)

GLM-5.1 (Reasoning) vs GPT-5 nano (High). 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
OpenAIGPT-5 nano (High)Not ranked · benchmark data missing
Intelligence
13.00
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.

MetricGLM-5.1 (Reasoning)GPT-5 nano (High)Difference
Intelligence (higher is better)26.113.0−50.2% GPT-5 nano (High) is 50.2% less intelligent
Total AA cost (lower is better)$1,486.78Not reported— not comparable
End-to-end time (lower is better)63.24s87.53s+38.4% GPT-5 nano (High) is 38.4% slower
Price per 1M tokens (in / out)$1.28 / $4.07$0.05 / $0.40
Input modalitiesTextText, Image
Open this matchup in the interactive pickerGLM-5.1 (Reasoning): what beats itGPT-5 nano (High): 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/gpt-5-nano · Markdown: /api/v1/compare/glm-5-1/gpt-5-nano?format=md · llms.txt · agent skill