DeepSeek V3 0324 vs GPT-5.5 (Xhigh)
Which is better for the money: DeepSeek V3 0324 by DeepSeek or GPT-5.5 (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
GPT-5.5 (Xhigh) scores 28.7 points higher (38.4 vs 9.7) but costs 266× as much to run the benchmark ($5294 vs $19.9; flagship vs budget cost classes). They are not alternatives at one budget: pick GPT-5.5 (Xhigh) when you need intelligence above 9.7, and DeepSeek V3 0324 when 9.7 is enough.
| Metric | DeepSeek V3 0324 | GPT-5.5 (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 9.7 | 38.4 | +295.9% GPT-5.5 (Xhigh) is 4.0× more intelligent |
| Total AA cost (lower is better) | $19.87 | $5,294.36 | +26545.0% GPT-5.5 (Xhigh) is 266× more expensive |
| End-to-end time (lower is better) | 4.38s | 55.87s | +1175.6% GPT-5.5 (Xhigh) is 1175.6% slower |
| Price per 1M tokens (in / out) | $0.24 / $0.90 | $5.00 / $30.0 | |
| Input modalities | Text | Text, Image |
GPT-5.5 (Xhigh) vs DeepSeek V3 0324: 295.9% more intelligence, 26545.0% more cost to run the AA benchmark, and 1175.6% slower end-to-end.
Today's Pareto frontier
Against the frontier
- DeepSeek V3 0324 is off the frontier: at the same or lower cost, GPT-6 Luna (Low) scores 21.50 for $10.6.
- 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.
DeepSeek V3 0324GPT-5.5 (Xhigh)Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/deepseek-v3-0324/gpt-5-5 · Markdown: /api/v1/compare/deepseek-v3-0324/gpt-5-5?format=md · llms.txt · agent skill