Claude Opus 5.5 (High, Default Fallback) vs GPT-6 Sol (High)
Which is better for the money: Claude Opus 5.5 (High, Default Fallback) by Anthropic or GPT-6 Sol (High) 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 (High, Default Fallback) scores 11.2 points higher (53.6 vs 42.4) but costs 3.6× as much to run the benchmark ($2172 vs $605; flagship vs premium cost classes). They are not alternatives at one budget: pick Claude Opus 5.5 (High, Default Fallback) when you need intelligence above 42.4, and GPT-6 Sol (High) when 42.4 is enough.
| Metric | Claude Opus 5.5 (High, Default Fallback) | GPT-6 Sol (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 53.6 | 42.4 | −20.9% GPT-6 Sol (High) is 20.9% less intelligent |
| Total AA cost (lower is better) | $2,172.43 | $604.52 | −72.2% GPT-6 Sol (High) is 72.2% cheaper |
| End-to-end time (lower is better) | 33.81s | 14.58s | −56.9% GPT-6 Sol (High) is 56.9% faster |
| Price per 1M tokens (in / out) | $4.00 / $20.0 | $2.00 / $10.0 | |
| Input modalities | Text, Image | Text, Image |
GPT-6 Sol (High) vs Claude Opus 5.5 (High, Default Fallback): 20.9% less intelligence, 72.2% less cost to run the AA benchmark, and 56.9% faster end-to-end.
Today's Pareto frontier
Against the frontier
- Claude Opus 5.5 (High, Default Fallback) is on today's frontier: nothing is both smarter and cheaper.
- GPT-6 Sol (High) is off the frontier: at the same or lower cost, GPT-6.1 Sol (High) scores 50.20 for $521.
Claude Opus 5.5 (High, Default Fallback)GPT-6 Sol (High)Today's Pareto frontierEvery other model
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