Claude Opus 5.5 (Xhigh, Default Fallback) vs GPT-5.5 (Xhigh)
Which is better for the money: Claude Opus 5.5 (Xhigh, Default Fallback) by Anthropic or GPT-5.5 (Xhigh) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.
Clear winner
Verdict
Pick Claude Opus 5.5 (Xhigh, Default Fallback)
GPT-5.5 (Xhigh) vs Claude Opus 5.5 (Xhigh, Default Fallback): 31.4% less intelligence, 30.5% more cost to run the AA benchmark, and 63.5% faster end-to-end.
| Metric | Claude Opus 5.5 (Xhigh, Default Fallback) | GPT-5.5 (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 56.0 | 38.4 | −31.4% GPT-5.5 (Xhigh) is 31.4% less intelligent |
| Total AA cost (lower is better) | $4,056.65 | $5,294.36 | +30.5% GPT-5.5 (Xhigh) is 30.5% more expensive |
| End-to-end time (lower is better) | 123.06s | 44.96s | −63.5% GPT-5.5 (Xhigh) is 63.5% faster |
| Price per 1M tokens (in / out) | $4.00 / $20.0 | $5.00 / $30.0 | |
| Input modalities | Text, Image | Text, Image |
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-5.5 (Xhigh) is off the frontier: at the same or lower cost, Claude Opus 5.5 (Xhigh, Default Fallback) scores 56.00 for $4057.
Claude Opus 5.5 (Xhigh, Default Fallback)GPT-5.5 (Xhigh)Today's Pareto frontierEvery other model
Matchup
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-opus-5-5-xhigh/gpt-5-5 · Markdown: /api/v1/compare/claude-opus-5-5-xhigh/gpt-5-5?format=md · llms.txt · agent skill