Claude Opus 5.5 (Max, Default Fallback) vs GPT-6 Sol (Xhigh)
Which is better for the money: Claude Opus 5.5 (Max, Default Fallback) by Anthropic or GPT-6 Sol (Xhigh) 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 (Max, Default Fallback) scores 13.4 points higher (57.6 vs 44.2) but costs 10× as much to run the benchmark ($8708 vs $855; flagship vs premium cost classes). They are not alternatives at one budget: pick Claude Opus 5.5 (Max, Default Fallback) when you need intelligence above 44.2, and GPT-6 Sol (Xhigh) when 44.2 is enough.
| Metric | Claude Opus 5.5 (Max, Default Fallback) | GPT-6 Sol (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 57.6 | 44.2 | −23.3% GPT-6 Sol (Xhigh) is 23.3% less intelligent |
| Total AA cost (lower is better) | $8,708.20 | $854.60 | −90.2% GPT-6 Sol (Xhigh) is 90.2% cheaper |
| End-to-end time (lower is better) | 626.13s | 39.03s | −93.8% GPT-6 Sol (Xhigh) is 93.8% faster |
| Price per 1M tokens (in / out) | $4.00 / $20.0 | $2.00 / $10.0 | |
| Input modalities | Text, Image | Text, Image |
GPT-6 Sol (Xhigh) vs Claude Opus 5.5 (Max, Default Fallback): 23.3% less intelligence, 90.2% less cost to run the AA benchmark, and 93.8% 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.
- GPT-6 Sol (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
Claude Opus 5.5 (Max, Default Fallback)GPT-6 Sol (Xhigh)Today's Pareto frontierEvery other model
Matchup
Compare something else
Agents:
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-opus-5-5/gpt-6-sol-xhigh · Markdown: /api/v1/compare/claude-opus-5-5/gpt-6-sol-xhigh?format=md · llms.txt · agent skill