GPT-5.5 (Xhigh) vs Grok 4.1 Fast (Reasoning)
GPT-5.5 (Xhigh) vs Grok 4.1 Fast (Reasoning). 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-5.5 (Xhigh) | Grok 4.1 Fast (Reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 38.4 | 20.4 | −46.9% Grok 4.1 Fast (Reason… is 46.9% less intelligent |
| Total AA cost (lower is better) | $5,294.36 | Not reported | — not comparable |
| End-to-end time (lower is better) | 44.96s | Not reported | — not comparable |
| Price per 1M tokens (in / out) | $5.00 / $30.0 | — | |
| 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/gpt-5-5/grok-4-1-fast-reasoning · Markdown: /api/v1/compare/gpt-5-5/grok-4-1-fast-reasoning?format=md · llms.txt · agent skill