GPT-6 Sol (Xhigh) vs Nemotron 3 Ultra 550B A55B (Reasoning)
Which is better for the money: GPT-6 Sol (Xhigh) by OpenAI or Nemotron 3 Ultra 550B A55B (Reasoning) by NVIDIA? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-27.
Trade-off
Verdict
Depends on your budget
GPT-6 Sol (Xhigh) scores 21.3 points higher (44.2 vs 22.9) but costs 1.4× as much to run the benchmark ($855 vs $596; both premium class). Pick GPT-6 Sol (Xhigh) when the extra intelligence is worth the premium, otherwise Nemotron 3 Ultra 550B A55B (Reasoning).
| Metric | GPT-6 Sol (Xhigh) | Nemotron 3 Ultra 550B A55B (Reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 44.2 | 22.9 | −48.2% Nemotron 3 Ultra 550B… is 48.2% less intelligent |
| Total AA cost (lower is better) | $854.60 | $596.33 | −30.2% Nemotron 3 Ultra 550B… is 30.2% cheaper |
| End-to-end time (lower is better) | 45.81s | 14.75s | −67.8% Nemotron 3 Ultra 550B… is 67.8% faster |
| Price per 1M tokens (in / out) | $2.00 / $10.0 | $0.60 / $2.70 | |
| Input modalities | Text, Image | Text |
Nemotron 3 Ultra 550B A55B (Reasoning) vs GPT-6 Sol (Xhigh): 48.2% less intelligence, 30.2% less cost to run the AA benchmark, and 67.8% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-6 Sol (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
- Nemotron 3 Ultra 550B A55B (Reasoning) is off the frontier: at the same or lower cost, GPT-6.1 Sol (High) scores 50.20 for $521.
GPT-6 Sol (Xhigh)Nemotron 3 Ultra 550B A55B (Reasoning)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/gpt-6-sol-xhigh/nvidia-nemotron-3-ultra-550b-a55b · Markdown: /api/v1/compare/gpt-6-sol-xhigh/nvidia-nemotron-3-ultra-550b-a55b?format=md · llms.txt · agent skill