GPT-5.1 Codex mini (High) vs Grok 4.20 0309 v2 (Reasoning)
GPT-5.1 Codex mini (High) vs Grok 4.20 0309 v2 (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-5.1 Codex mini (High) | Grok 4.20 0309 v2 (Reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 20.4 | 25.7 | +26.0% Grok 4.20 0309 v2 (Re… is 26.0% more intelligent |
| Total AA cost (lower is better) | Not reported | Not reported | — not comparable |
| End-to-end time (lower is better) | 10.26s | 18.75s | +82.7% Grok 4.20 0309 v2 (Re… is 82.7% slower |
| Price per 1M tokens (in / out) | $0.25 / $2.00 | $1.25 / $2.50 | |
| Input modalities | Text, Image | Text, Image |
Matchup
Compare something else
Agents:
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-5-1-codex-mini/grok-4-20 · Markdown: /api/v1/compare/gpt-5-1-codex-mini/grok-4-20?format=md · llms.txt · agent skill