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NVIDIA · Active

nvidia-nemotron-3-ultra-550b-a55b-nvfp4

nemotron family · launched 2026-06-04

ReasoningToolsStructuredOpen weights
AITopic score55.3#78 overall

Largest Nemotron 3 model for maximum open-weight reasoning and agent accuracy

Evidence coverage5%1 evaluations · 1 institutions
Context / maximum output1M / 65ktokens
Cache / input / output$0.12 · $0.6 · $2.4USD per million tokens
Value / freshness59.9 / 72relative value · release freshness
Product profile

What this model supports

Inputtext
Outputtext
Knowledge cutoff2025-09
WeightsOpen weights
Capability profile

Strengths by domain

Coding—0 public results
Research & reasoning—0 public results
Professional work—0 public results
Knowledge & instruction—0 public results
Behind the score

Every result has a source

Raw results and standardized readings are shown together. Missing tests add neither points nor penalties.

Human preference & indices2 results

AA IndexArtificial Analysis64.57 indexReading 55.3

Imported from Artificial Analysis. The published 0–100 score is used directly; it is not z-score normalized.

Configuration: nvidia-nemotron-3-ultra-550b-a55b-nvfp4Open evidence
Arena TextLMArena1,444.6 EloReading 55.3

Direct LMArena text leaderboard result.

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