Model Comparison

Command A+ vs Nemotron 3 Ultra (550B A55B)Which is better in 2026?

Nemotron 3 Ultra (550B A55B) significantly outperforms across most benchmarks.

Verdict: Command A+ vs Nemotron 3 Ultra (550B A55B) — which is better?

Command A+ (by Cohere) and Nemotron 3 Ultra (550B A55B) (by NVIDIA) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

Command A+ outperforms in 0 benchmarks, while Nemotron 3 Ultra (550B A55B) is better at 3 benchmarks (IFBench, SciCode, WMT24++). Nemotron 3 Ultra (550B A55B) significantly outperforms across most benchmarks.

Choose Command A+ if…

  • you are already invested in the Cohere ecosystem

Choose Nemotron 3 Ultra (550B A55B) if…

  • you want the strongest raw capability — it leads on 3 of 3 shared benchmarks
  • you want the most recent training data — it shipped Jun 2026

Performance Benchmarks

Comparative analysis across standard metrics

3 benchmarks

Command A+ outperforms in 0 benchmarks, while Nemotron 3 Ultra (550B A55B) is better at 3 benchmarks (IFBench, SciCode, WMT24++).

Nemotron 3 Ultra (550B A55B) significantly outperforms across most benchmarks.

Fri Jul 17 2026 • llm-stats.com

Arena Performance

Human preference votes

Model Size

Parameter count comparison

332.0B diff

Nemotron 3 Ultra (550B A55B) has 332.0B more parameters than Command A+, making it 152.3% larger.

Cohere
Command A+
218.0Bparameters
NVIDIA
Nemotron 3 Ultra (550B A55B)
550.0Bparameters
218.0B
Command A+
550.0B
Nemotron 3 Ultra (550B A55B)

Input Capabilities

Supported data types and modalities

Command A+ supports multimodal inputs, whereas Nemotron 3 Ultra (550B A55B) does not.

Command A+ can handle both text and other forms of data like images, making it suitable for multimodal applications.

Command A+

Text
Images
Audio
Video

Nemotron 3 Ultra (550B A55B)

Text
Images
Audio
Video

License

Usage and distribution terms

Command A+ is licensed under Apache 2.0, while Nemotron 3 Ultra (550B A55B) uses OpenMDW License v1.1.

License differences may affect how you can use these models in commercial or open-source projects.

Command A+

Apache 2.0

Open weights

Nemotron 3 Ultra (550B A55B)

OpenMDW License v1.1

Open weights

Release Timeline

When each model was launched

Command A+ was released on 2026-05-20, while Nemotron 3 Ultra (550B A55B) was released on 2026-06-04.

Nemotron 3 Ultra (550B A55B) is 1 month newer than Command A+.

Command A+

May 20, 2026

1 months ago

Nemotron 3 Ultra (550B A55B)

Jun 4, 2026

1 months ago

2w newer

Knowledge Cutoff

When training data ends

Nemotron 3 Ultra (550B A55B) has a documented knowledge cutoff of 2025-09-30, while Command A+'s cutoff date is not specified.

We can confirm Nemotron 3 Ultra (550B A55B)'s training data extends to 2025-09-30, but cannot make a direct comparison without Command A+'s cutoff date.

Command A+

—

Nemotron 3 Ultra (550B A55B)

Sep 2025

Outputs Comparison

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Key Takeaways

Cohere
Supports multimodal inputs
NVIDIA
Higher IFBench score (81.7% vs 74.0%)
Higher SciCode score (44.6% vs 38.0%)
Higher WMT24++ score (83.7% vs 81.0%)

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Command A+ and Nemotron 3 Ultra (550B A55B) side-by-side, then vote on the output you prefer.

Command A+
✓ Preferred
Nemotron 3 Ultra (550B A55B)
Open in Playground
AI Model Comparison Table
Feature
Cohere
Command A+
NVIDIA
Nemotron 3 Ultra (550B A55B)

FAQ

Common questions about Command A+ vs Nemotron 3 Ultra (550B A55B).

Which is better, Command A+ or Nemotron 3 Ultra (550B A55B)?

Nemotron 3 Ultra (550B A55B) significantly outperforms across most benchmarks. Command A+ is made by Cohere and Nemotron 3 Ultra (550B A55B) is made by NVIDIA. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Command A+ compare to Nemotron 3 Ultra (550B A55B) in benchmarks?

Command A+ scores AIME 2025: 90.0%, CharXiv-D: 88.0%, MT-AIME 2025: 86.0%, Tau2 Telecom: 85.0%, WMT24++: 81.0%. Nemotron 3 Ultra (550B A55B) scores RULER: 94.7%, IMO-AnswerBench: 92.3%, PinchBench: 90.0%, LiveCodeBench v6: 89.0%, GPQA: 87.0%.

What are the main differences between Command A+ and Nemotron 3 Ultra (550B A55B)?

Key differences include multimodal support (yes vs no), licensing (Apache 2.0 vs OpenMDW License v1.1). See the full comparison above for benchmark-by-benchmark results.

Who makes Command A+ and Nemotron 3 Ultra (550B A55B)?

Command A+ is developed by Cohere and Nemotron 3 Ultra (550B A55B) is developed by NVIDIA.

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