Nemotron 3 Ultra 550B A55B (Reasoning) vs o3-mini (High)
Which is better for the money: Nemotron 3 Ultra 550B A55B (Reasoning) by NVIDIA or o3-mini (High) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Trade-off
Verdict
Depends on your budget
Nemotron 3 Ultra 550B A55B (Reasoning) scores 11.9 points higher (22.9 vs 11.0) but costs 1.7× as much to run the benchmark ($596 vs $345; premium vs mid-range cost classes). Pick Nemotron 3 Ultra 550B A55B (Reasoning) when the extra intelligence is worth the premium, otherwise o3-mini (High).
| Metric | Nemotron 3 Ultra 550B A55B (Reasoning) | o3-mini (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 22.9 | 11.0 | −52.0% o3-mini (High) is 52.0% less intelligent |
| Total AA cost (lower is better) | $596.33 | $345.05 | −42.1% o3-mini (High) is 42.1% cheaper |
| End-to-end time (lower is better) | 15.27s | Not reported | — not comparable |
| Price per 1M tokens (in / out) | $0.60 / $2.70 | $1.10 / $4.40 | |
| Input modalities | Text | Text |
o3-mini (High) vs Nemotron 3 Ultra 550B A55B (Reasoning): 52.0% less intelligence, 42.1% less cost to run the AA benchmark, and end-to-end time not fully reported.
Today's Pareto frontier
Against the frontier
- 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.
- o3-mini (High) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
Nemotron 3 Ultra 550B A55B (Reasoning)o3-mini (High)Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
Compare something else
Agents:
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/nvidia-nemotron-3-ultra-550b-a55b/o3-mini-high · Markdown: /api/v1/compare/nvidia-nemotron-3-ultra-550b-a55b/o3-mini-high?format=md · llms.txt · agent skill