Claude Opus 5.5 (Low, Default Fallback) vs GPT-5.4 mini (Xhigh)
Which is better for the money: Claude Opus 5.5 (Low, Default Fallback) by Anthropic or GPT-5.4 mini (Xhigh) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Clear winner
Verdict
Pick Claude Opus 5.5 (Low, Default Fallback)
GPT-5.4 mini (Xhigh) vs Claude Opus 5.5 (Low, Default Fallback): 43.0% less intelligence, 77.1% more cost to run the AA benchmark, and 846.3% slower end-to-end.
| Metric | Claude Opus 5.5 (Low, Default Fallback) | GPT-5.4 mini (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 42.3 | 24.1 | −43.0% GPT-5.4 mini (Xhigh) is 43.0% less intelligent |
| Total AA cost (lower is better) | $860.33 | $1,524.02 | +77.1% GPT-5.4 mini (Xhigh) is 77.1% more expensive |
| End-to-end time (lower is better) | 11.52s | 109.01s | +846.3% GPT-5.4 mini (Xhigh) is 846.3% slower |
| Price per 1M tokens (in / out) | $4.00 / $20.0 | $0.75 / $4.50 | |
| Input modalities | Text, Image | Text, Image |
Today's Pareto frontier
Against the frontier
- Claude Opus 5.5 (Low, Default Fallback) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
- GPT-5.4 mini (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
Claude Opus 5.5 (Low, Default Fallback)GPT-5.4 mini (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-low/gpt-5-4-mini · Markdown: /api/v1/compare/claude-opus-5-5-low/gpt-5-4-mini?format=md · llms.txt · agent skill