Celeris-1 vs GPT-5.3 Codex (xhigh)

Celeris-1 vs GPT-5.3 Codex (xhigh). A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

CelerisCeleris-1Off the frontier
Intelligence
6.30
Total cost
$60.0
OpenAIGPT-5.3 Codex (xhigh)Not ranked · benchmark data missing
Intelligence
32.50
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.

MetricCeleris-1GPT-5.3 Codex (xhigh)Difference
Intelligence (higher is better)6.332.5+415.9% GPT-5.3 Codex (xhigh) is 5.2× more intelligent
Total AA cost (lower is better)$59.99Not reported— not comparable
End-to-end time (lower is better)0.97s69.02s+7015.5% GPT-5.3 Codex (xhigh) is 7015.5% slower
Price per 1M tokens (in / out)$0.20 / $0.70$1.75 / $14.0
Input modalitiesNot reportedNot reported
Open this matchup in the interactive pickerCeleris-1: what beats itGPT-5.3 Codex (xhigh): what beats it
Matchup

Compare something else

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