Model Comparison

Claude 3.7 Sonnet vs Nemotron 3 Ultra (550B A55B)Which is better in 2026?

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

Verdict: Claude 3.7 Sonnet vs Nemotron 3 Ultra (550B A55B) — which is better?

Claude 3.7 Sonnet (by Anthropic) 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.

Claude 3.7 Sonnet outperforms in 0 benchmarks, while Nemotron 3 Ultra (550B A55B) is better at 2 benchmarks (GPQA, SWE-Bench Verified). Nemotron 3 Ultra (550B A55B) significantly outperforms across most benchmarks.

Choose Claude 3.7 Sonnet if…

  • you want predictable pricing at $3.00/M input and $15.00/M output

Choose Nemotron 3 Ultra (550B A55B) if…

  • you want the strongest raw capability — it leads on 2 of 2 shared benchmarks
  • you want the most recent training data — it shipped Jun 2026
  • you need open weights you can self-host or fine-tune

Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

Claude 3.7 Sonnet outperforms in 0 benchmarks, while Nemotron 3 Ultra (550B A55B) is better at 2 benchmarks (GPQA, SWE-Bench Verified).

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

Mon Jul 27 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only Claude 3.7 Sonnet specifies input context (200,000 tokens). Only Claude 3.7 Sonnet specifies output context (128,000 tokens).

Anthropic
Claude 3.7 Sonnet
Input200,000 tokens
Output128,000 tokens
NVIDIA
Nemotron 3 Ultra (550B A55B)
Input- tokens
Output- tokens
Mon Jul 27 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Claude 3.7 Sonnet supports multimodal inputs, whereas Nemotron 3 Ultra (550B A55B) does not.

Claude 3.7 Sonnet can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude 3.7 Sonnet

Text
Images
Audio
Video

Nemotron 3 Ultra (550B A55B)

Text
Images
Audio
Video

License

Usage and distribution terms

Claude 3.7 Sonnet is licensed under a proprietary license, 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.

Claude 3.7 Sonnet

Proprietary

Closed source

Nemotron 3 Ultra (550B A55B)

OpenMDW License v1.1

Open weights

Release Timeline

When each model was launched

Claude 3.7 Sonnet was released on 2025-02-24, while Nemotron 3 Ultra (550B A55B) was released on 2026-06-04.

Nemotron 3 Ultra (550B A55B) is 16 months newer than Claude 3.7 Sonnet.

Claude 3.7 Sonnet

Feb 24, 2025

1.4 years ago

Nemotron 3 Ultra (550B A55B)

Jun 4, 2026

1 months ago

1.3yr newer

Knowledge Cutoff

When training data ends

Nemotron 3 Ultra (550B A55B) has a documented knowledge cutoff of 2025-09-30, while Claude 3.7 Sonnet'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 Claude 3.7 Sonnet's cutoff date.

Claude 3.7 Sonnet

—

Nemotron 3 Ultra (550B A55B)

Sep 2025

Outputs Comparison

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Key Takeaways

Anthropic
Larger context window (200,000 tokens)
Supports multimodal inputs
NVIDIA
Has open weights
Higher GPQA score (87.0% vs 84.8%)
Higher SWE-Bench Verified score (70.7% vs 70.3%)
AnthropicClaude 3.7 Sonnet
NVIDIANemotron 3 Ultra (550B A55B)
Compare in Playground

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Claude 3.7 Sonnet and Nemotron 3 Ultra (550B A55B) side-by-side, then vote on the output you prefer.

Claude 3.7 Sonnet
✓ Preferred
Nemotron 3 Ultra (550B A55B)
Open in Playground
AI Model Comparison Table
Feature
Anthropic
Claude 3.7 Sonnet
NVIDIA
Nemotron 3 Ultra (550B A55B)

FAQ

Common questions about Claude 3.7 Sonnet vs Nemotron 3 Ultra (550B A55B).

Which is better, Claude 3.7 Sonnet or Nemotron 3 Ultra (550B A55B)?

Nemotron 3 Ultra (550B A55B) significantly outperforms across most benchmarks. Claude 3.7 Sonnet is made by Anthropic 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 Claude 3.7 Sonnet compare to Nemotron 3 Ultra (550B A55B) in benchmarks?

Claude 3.7 Sonnet scores MATH-500: 96.2%, IFEval: 93.2%, MMMLU: 86.1%, GPQA: 84.8%, TAU-bench Retail: 81.2%. 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 context window sizes for Claude 3.7 Sonnet and Nemotron 3 Ultra (550B A55B)?

Claude 3.7 Sonnet supports 200K tokens and Nemotron 3 Ultra (550B A55B) supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Claude 3.7 Sonnet and Nemotron 3 Ultra (550B A55B)?

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

Who makes Claude 3.7 Sonnet and Nemotron 3 Ultra (550B A55B)?

Claude 3.7 Sonnet is developed by Anthropic and Nemotron 3 Ultra (550B A55B) is developed by NVIDIA.

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