GPT-5.4 mini (Xhigh) vs Grok 4.6 (Medium)
Which is better for the money: GPT-5.4 mini (Xhigh) by OpenAI or Grok 4.6 (Medium) by SpaceXAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Trade-off
Verdict
Depends on your budget
Grok 4.6 (Medium) scores 18.7 points higher (42.8 vs 24.1) but costs 1.0× as much to run the benchmark ($1557 vs $1524; both premium class). Pick Grok 4.6 (Medium) when the extra intelligence is worth the premium, otherwise GPT-5.4 mini (Xhigh).
| Metric | GPT-5.4 mini (Xhigh) | Grok 4.6 (Medium) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 24.1 | 42.8 | +77.6% Grok 4.6 (Medium) is 77.6% more intelligent |
| Total AA cost (lower is better) | $1,524.02 | $1,557.04 | +2.2% Grok 4.6 (Medium) is 2.2% more expensive |
| End-to-end time (lower is better) | 115.75s | 31.37s | −72.9% Grok 4.6 (Medium) is 72.9% faster |
| Price per 1M tokens (in / out) | $0.75 / $4.50 | $2.00 / $6.00 | |
| Input modalities | Text, Image | Text, Image |
Grok 4.6 (Medium) vs GPT-5.4 mini (Xhigh): 77.6% more intelligence, 2.2% more cost to run the AA benchmark, and 72.9% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-5.4 mini (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
- Grok 4.6 (Medium) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
GPT-5.4 mini (Xhigh)Grok 4.6 (Medium)Today's Pareto frontierEvery other model
Matchup
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-5-4-mini/grok-4-6-medium · Markdown: /api/v1/compare/gpt-5-4-mini/grok-4-6-medium?format=md · llms.txt · agent skill