Claude Sonnet 5.5 (Low, Default Fallback) vs Grok 4.7 (Xhigh)
Which is better for the money: Claude Sonnet 5.5 (Low, 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
Grok 4.7 (Xhigh) scores 10.5 points higher (46.4 vs 35.9) but costs 10× as much to run the benchmark ($4967 vs $482; flagship vs mid-range cost classes). They are not alternatives at one budget: pick Grok 4.7 (Xhigh) when you need intelligence above 35.9, and Claude Sonnet 5.5 (Low, Default Fallbac… when 35.9 is enough.
| Metric | Claude Sonnet 5.5 (Low, Default Fallback) | Grok 4.7 (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 35.9 | 46.4 | +29.2% Grok 4.7 (Xhigh) is 29.2% more intelligent |
| Total AA cost (lower is better) | $482.13 | $4,967.35 | +930.3% Grok 4.7 (Xhigh) is 10× more expensive |
| End-to-end time (lower is better) | 6.19s | 40.31s | +551.2% Grok 4.7 (Xhigh) is 551.2% slower |
| Price per 1M tokens (in / out) | $2.00 / $10.0 | $2.00 / $6.00 | |
| Input modalities | Text, Image | Text, Image |
Grok 4.7 (Xhigh) vs Claude Sonnet 5.5 (Low, Default Fallback): 29.2% more intelligence, 930.3% more cost to run the AA benchmark, and 551.2% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Claude Sonnet 5.5 (Low, Default Fallback) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Medium) scores 47.80 for $361.
- 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 Sonnet 5.5 (Low, Default Fallback)Grok 4.7 (Xhigh)Today's Pareto frontierEvery other model
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