Claude 4.5 Haiku (Reasoning) vs GPT-5.3 Codex (Xhigh)
Claude 4.5 Haiku (Reasoning) 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.
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.
| Metric | Claude 4.5 Haiku (Reasoning) | GPT-5.3 Codex (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 16.9 | 32.5 | +92.3% GPT-5.3 Codex (Xhigh) is 92.3% more intelligent |
| Total AA cost (lower is better) | $594.08 | Not reported | — not comparable |
| End-to-end time (lower is better) | 23.70s | 59.96s | +153.0% GPT-5.3 Codex (Xhigh) is 153.0% slower |
| Price per 1M tokens (in / out) | $1.00 / $5.00 | $1.75 / $14.0 | |
| Input modalities | Text, Image | Text, Image |
Matchup
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-4-5-haiku-reasoning/gpt-5-3-codex · Markdown: /api/v1/compare/claude-4-5-haiku-reasoning/gpt-5-3-codex?format=md · llms.txt · agent skill