GPT-5.6 Terra (Non-reasoning) vs Nemotron 3 Ultra 550B A55B (Reasoning)
Which is better for the money: GPT-5.6 Terra (Non-reasoning) 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
Nemotron 3 Ultra 550B A55B (Reasoning) scores 2.1 points higher (22.9 vs 20.8) but costs 2.3× as much to run the benchmark ($596 vs $256; premium vs mid-range cost classes). Pick Nemotron 3 Ultra 550B A55B (Reasoning) when the extra intelligence is worth the premium, otherwise GPT-5.6 Terra (Non-reasoning).
| Metric | GPT-5.6 Terra (Non-reasoning) | Nemotron 3 Ultra 550B A55B (Reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 20.8 | 22.9 | +10.1% Nemotron 3 Ultra 550B… is 10.1% more intelligent |
| Total AA cost (lower is better) | $255.77 | $596.33 | +133.2% Nemotron 3 Ultra 550B… is 2.3× more expensive |
| End-to-end time (lower is better) | 5.11s | 14.75s | +188.6% Nemotron 3 Ultra 550B… is 188.6% slower |
| Price per 1M tokens (in / out) | $2.00 / $12.0 | $0.60 / $2.70 | |
| Input modalities | Text, Image | Text |
Nemotron 3 Ultra 550B A55B (Reasoning) vs GPT-5.6 Terra (Non-reasoning): 10.1% more intelligence, 133.2% more cost to run the AA benchmark, and 188.6% slower end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-5.6 Terra (Non-reasoning) 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) is off the frontier: at the same or lower cost, GPT-6.1 Sol (High) scores 50.20 for $521.
GPT-5.6 Terra (Non-reasoning)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-5-6-terra-non-reasoning/nvidia-nemotron-3-ultra-550b-a55b · Markdown: /api/v1/compare/gpt-5-6-terra-non-reasoning/nvidia-nemotron-3-ultra-550b-a55b?format=md · llms.txt · agent skill