Claude Opus 5 (Medium) vs GPT-5.4 nano (Xhigh)
Which is better for the money: Claude Opus 5 (Medium) by Anthropic or GPT-5.4 nano (Xhigh) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Trade-off
Verdict
Depends on your budget
Claude Opus 5 (Medium) scores 24.1 points higher (44.8 vs 20.7) but costs 8.2× as much to run the benchmark ($2732 vs $331; flagship vs mid-range cost classes). They are not alternatives at one budget: pick Claude Opus 5 (Medium) when you need intelligence above 20.7, and GPT-5.4 nano (Xhigh) when 20.7 is enough.
| Metric | Claude Opus 5 (Medium) | GPT-5.4 nano (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 44.8 | 20.7 | −53.8% GPT-5.4 nano (Xhigh) is 53.8% less intelligent |
| Total AA cost (lower is better) | $2,731.91 | $331.24 | −87.9% GPT-5.4 nano (Xhigh) is 87.9% cheaper |
| End-to-end time (lower is better) | 12.85s | 80.72s | +528.2% GPT-5.4 nano (Xhigh) is 528.2% slower |
| Price per 1M tokens (in / out) | $5.00 / $25.0 | $0.20 / $1.25 | |
| Input modalities | Text, Image | Text, Image |
GPT-5.4 nano (Xhigh) vs Claude Opus 5 (Medium): 53.8% less intelligence, 87.9% less cost to run the AA benchmark, and 528.2% slower end-to-end.
Today's Pareto frontier
Against the frontier
- Claude Opus 5 (Medium) is off the frontier: at the same or lower cost, Claude Opus 5.5 (High, Default Fallback) scores 53.60 for $2172.
- GPT-5.4 nano (Xhigh) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
Claude Opus 5 (Medium)GPT-5.4 nano (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-medium/gpt-5-4-nano · Markdown: /api/v1/compare/claude-opus-5-medium/gpt-5-4-nano?format=md · llms.txt · agent skill