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Nemotron 3 Ultra

by NVIDIA · Released Jun 2026

Open Source1M Context
48.1
avg score
Rank #141
Compare
Better than 49% of all models
Context
1.0M tokens (~500 books)
Input $/1M
$0.50
Output $/1M
$2.20
Type
text
License
Open Source
Benchmarks
11 tested
Data updated today
About

NVIDIA Nemotron 3 Ultra is an open frontier-reasoning and orchestration model from NVIDIA, with 55B active parameters out of 550B total (MoE). Built on a hybrid Transformer-Mamba mixture-of-experts architecture, it...

Tested on 11 benchmarks with 51.8% average. Top scores: LiveBench — Coding (71.3%), LiveBench — If (58.2%), LiveBench — Mathematics (54.5%).

Looking for similar performance at lower cost?
Phi 4 Mini Instruct scores 48.9 (102% as good) at $0.08/1M input · 84% cheaper
Capabilities
coding
59.0
#58 globally
reasoning
39.8
#84 globally
math
54.5
#75 globally
knowledge
51.8
#109 globally
language
55.2
#114 globally
speed
63.6
#40 globally
Benchmark Scores
Compare All
Tested on 11 benchmarks · Ranked across 6 categories
Score Distribution (all 274 models)
0255075100
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LiveBench — Coding

Regularly refreshed coding problems that avoid data contamination. New problems added monthly to prevent memorization.

71.3
LiveBench — Agentic Coding

LiveBench coding tasks that require multi-step reasoning and tool use. Tests planning and execution of complex coding workflows.

46.7
LiveBench — Data Analysis

Fresh data analysis tasks testing ability to interpret tables, charts, and statistical data.

42.0
LiveBench — Reasoning

Regularly refreshed reasoning problems testing logical deduction, spatial reasoning, and analytical thinking.

37.5
LiveBench — Mathematics

Regularly updated math problems that test numerical reasoning, algebra, calculus, and combinatorics.

54.5
Excellent (85+) Good (70-85) Average (50-70) Below (<50)
Links
Documentation
Community
BenchGecko API
nemotron-3-ultra-550b-a55b
Specifications
  • Typetext
  • Context1.0M tokens (~500 books)
  • ReleasedJun 2026
  • LicenseOpen Source
  • StatusActive
  • Cost / Message~$0.003
Available On
NVIDIA logoNVIDIA$0.50
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Nemotron 3 Ultra is an open-source text AI model by NVIDIA, released in June 2026. It has an average benchmark score of 48.1. Context window: 1M tokens.