Claude Opus 5.5 (Xhigh, Default Fallback) vs GPT-6 Sol (Max)
Which is better for the money: Claude Opus 5.5 (Xhigh, Default Fallback) by Anthropic or GPT-6 Sol (Max) by OpenAI? 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 (Xhigh, Default Fallbac… scores 8.4 points higher (56.0 vs 47.6) but costs 2.6× as much to run the benchmark ($4057 vs $1536; flagship vs premium cost classes). Pick Claude Opus 5.5 (Xhigh, Default Fallbac… when the extra intelligence is worth the premium, otherwise GPT-6 Sol (Max).
| Metric | Claude Opus 5.5 (Xhigh, Default Fallback) | GPT-6 Sol (Max) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 56.0 | 47.6 | −15.0% GPT-6 Sol (Max) is 15.0% less intelligent |
| Total AA cost (lower is better) | $4,056.65 | $1,535.80 | −62.1% GPT-6 Sol (Max) is 62.1% cheaper |
| End-to-end time (lower is better) | 123.06s | 87.14s | −29.2% GPT-6 Sol (Max) is 29.2% faster |
| Price per 1M tokens (in / out) | $4.00 / $20.0 | $2.00 / $10.0 | |
| Input modalities | Text, Image | Text, Image |
GPT-6 Sol (Max) vs Claude Opus 5.5 (Xhigh, Default Fallback): 15.0% less intelligence, 62.1% less cost to run the AA benchmark, and 29.2% faster end-to-end.
Today's Pareto frontier
Against the frontier
- Claude Opus 5.5 (Xhigh, Default Fallback) is on today's frontier: nothing is both smarter and cheaper.
- GPT-6 Sol (Max) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
Claude Opus 5.5 (Xhigh, Default Fallback)GPT-6 Sol (Max)Today's Pareto frontierEvery other model
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