Claude Opus 5.5 (High, Default Fallback) vs GPT-6 Sol (Low)
Which is better for the money: Claude Opus 5.5 (High, Default Fallback) by Anthropic or GPT-6 Sol (Low) 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 19.4 points higher (53.6 vs 34.2) but costs 8.1× as much to run the benchmark ($2172 vs $269; flagship vs mid-range cost classes). They are not alternatives at one budget: pick Claude Opus 5.5 (High, Default Fallback) when you need intelligence above 34.2, and GPT-6 Sol (Low) when 34.2 is enough.
| Metric | Claude Opus 5.5 (High, Default Fallback) | GPT-6 Sol (Low) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 53.6 | 34.2 | −36.2% GPT-6 Sol (Low) is 36.2% less intelligent |
| Total AA cost (lower is better) | $2,172.43 | $268.73 | −87.6% GPT-6 Sol (Low) is 87.6% cheaper |
| End-to-end time (lower is better) | 33.81s | 6.34s | −81.2% GPT-6 Sol (Low) is 81.2% faster |
| Price per 1M tokens (in / out) | $4.00 / $20.0 | $2.00 / $10.0 | |
| Input modalities | Text, Image | Text, Image |
GPT-6 Sol (Low) vs Claude Opus 5.5 (High, Default Fallback): 36.2% less intelligence, 87.6% less cost to run the AA benchmark, and 81.2% 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 (Low) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
Claude Opus 5.5 (High, Default Fallback)GPT-6 Sol (Low)Today's Pareto frontierEvery other model
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