GLM-5.3-Flash vs Nemotron 3 Ultra 550B A55B (Reasoning)
Which is better for the money: GLM-5.3-Flash by Z AI or Nemotron 3 Ultra 550B A55B (Reasoning) by NVIDIA? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Clear winner
Verdict
Pick GLM-5.3-Flash
Nemotron 3 Ultra 550B A55B (Reasoning) vs GLM-5.3-Flash: 45.2% less intelligence, 95.2% more cost to run the AA benchmark, and 58.8% faster end-to-end.
| Metric | GLM-5.3-Flash | Nemotron 3 Ultra 550B A55B (Reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 41.8 | 22.9 | −45.2% Nemotron 3 Ultra 550B… is 45.2% less intelligent |
| Total AA cost (lower is better) | $305.52 | $596.33 | +95.2% Nemotron 3 Ultra 550B… is 95.2% more expensive |
| End-to-end time (lower is better) | 37.02s | 15.27s | −58.8% Nemotron 3 Ultra 550B… is 58.8% faster |
| Price per 1M tokens (in / out) | $0.15 / $0.50 | $0.60 / $2.70 | |
| Input modalities | Text, Image | Text |
Today's Pareto frontier
Against the frontier
- GLM-5.3-Flash 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.
GLM-5.3-FlashNemotron 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/glm-5-3-flash/nvidia-nemotron-3-ultra-550b-a55b · Markdown: /api/v1/compare/glm-5-3-flash/nvidia-nemotron-3-ultra-550b-a55b?format=md · llms.txt · agent skill