GPT-5.1 Codex (High) vs GPT-5.6 Terra (Xhigh)
GPT-5.1 Codex (High) vs GPT-5.6 Terra (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 | GPT-5.1 Codex (High) | GPT-5.6 Terra (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 23.7 | 38.0 | +60.3% GPT-5.6 Terra (Xhigh) is 60.3% more intelligent |
| Total AA cost (lower is better) | Not reported | $1,186.77 | — not comparable |
| End-to-end time (lower is better) | 12.91s | 33.69s | +161.0% GPT-5.6 Terra (Xhigh) is 161.0% slower |
| Price per 1M tokens (in / out) | $1.25 / $10.0 | $2.00 / $12.0 | |
| Input modalities | Text, Image | Text, Image |
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-5-1-codex/gpt-5-6-terra-xhigh · Markdown: /api/v1/compare/gpt-5-1-codex/gpt-5-6-terra-xhigh?format=md · llms.txt · agent skill