Claude Opus 5.5 (Max, Default Fallback) vs Grok 4.7 (Xhigh)
Which is better for the money: Claude Opus 5.5 (Max, Default Fallback) by Anthropic 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
Claude Opus 5.5 (Max, Default Fallback) scores 11.2 points higher (57.6 vs 46.4) but costs 1.8× as much to run the benchmark ($8708 vs $4967; both flagship class). Pick Claude Opus 5.5 (Max, Default Fallback) when the extra intelligence is worth the premium, otherwise Grok 4.7 (Xhigh).
| Metric | Claude Opus 5.5 (Max, Default Fallback) | Grok 4.7 (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 57.6 | 46.4 | −19.4% Grok 4.7 (Xhigh) is 19.4% less intelligent |
| Total AA cost (lower is better) | $8,708.20 | $4,967.35 | −43.0% Grok 4.7 (Xhigh) is 43.0% cheaper |
| End-to-end time (lower is better) | 626.13s | 40.31s | −93.6% Grok 4.7 (Xhigh) is 93.6% faster |
| 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 Claude Opus 5.5 (Max, Default Fallback): 19.4% less intelligence, 43.0% less cost to run the AA benchmark, and 93.6% faster end-to-end.
Today's Pareto frontier
Against the frontier
- Claude Opus 5.5 (Max, Default Fallback) is on today's frontier: nothing is both smarter and cheaper.
- 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.
Claude Opus 5.5 (Max, Default Fallback)Grok 4.7 (Xhigh)Today's Pareto frontierEvery other model
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