GPT-5.6 Sol (Xhigh) vs Grok 4.7 (Xhigh)
Which is better for the money: GPT-5.6 Sol (Xhigh) by OpenAI or Grok 4.7 (Xhigh) by SpaceXAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.
Trade-off
Verdict
Depends on your budget
Grok 4.7 (Xhigh) scores 2.4 points higher (46.4 vs 44.0) but costs 2.4× as much to run the benchmark ($4967 vs $2082; both flagship class). Pick Grok 4.7 (Xhigh) when the extra intelligence is worth the premium, otherwise GPT-5.6 Sol (Xhigh).
| Metric | GPT-5.6 Sol (Xhigh) | Grok 4.7 (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 44.0 | 46.4 | +5.5% Grok 4.7 (Xhigh) is 5.5% more intelligent |
| Total AA cost (lower is better) | $2,082.28 | $4,967.35 | +138.6% Grok 4.7 (Xhigh) is 2.4× more expensive |
| End-to-end time (lower is better) | 28.41s | 40.31s | +41.9% Grok 4.7 (Xhigh) is 41.9% slower |
| Price per 1M tokens (in / out) | $4.00 / $20.0 | $2.00 / $6.00 | |
| Input modalities | Text, Image | Text, Image |
Grok 4.7 (Xhigh) vs GPT-5.6 Sol (Xhigh): 5.5% more intelligence, 138.6% more cost to run the AA benchmark, and 41.9% slower end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-5.6 Sol (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
- Grok 4.7 (Xhigh) is off the frontier: at the same or lower cost, Claude Opus 5.5 (Xhigh, Default Fallback) scores 56.00 for $4057.
GPT-5.6 Sol (Xhigh)Grok 4.7 (Xhigh)Today's Pareto frontierEvery other model
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