Nemotron 3 Ultra 550B A55B
Nemotron 3 Ultra 550B A55B is developed by Nvidia, released 2026-06-04.
Model ID: nemotron-3-ultra-550b-a55b
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Epoch Capabilities Index (ECI)
No public data yet
Epoch Mock AIME accuracy
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Epoch FrontierMath (T1–3) accuracy
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Arena text rating
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Arena coding rating (human preference votes, not task accuracy)
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Arena math rating
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Arena WebDev rating
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LiveBench
Shown here only — LiveBench scores never appear in any list, table, chart, search result or JSON-LD elsewhere on this site (see data sources).
| LiveBench metric | Value | As of |
|---|---|---|
| LiveBench Global Average | 67.4 | 2026-06-25 |
| LiveBench Reasoning | 74.7 | 2026-06-25 |
| LiveBench Coding | 70.7 | 2026-06-25 |
| LiveBench Agentic Coding | 38.7 | 2026-06-25 |
| LiveBench Mathematics | 88.7 | 2026-06-25 |
| LiveBench Data Analysis | 54.5 | 2026-06-25 |
| LiveBench Language | 70.8 | 2026-06-25 |
| LiveBench Instruction Following | 73.4 | 2026-06-25 |
LiveBench leaderboard (livebench.ai, github.com/LiveBench/new-livebench), release 2026-06-25, CC BY-SA 4.0 — livebench.ai · github.com/LiveBench/new-livebench
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LiteLLM), so we show — rather than guess. It may be unreleased via API, open-weights
only, or simply not tracked yet.
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