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Claude 3.7 Sonnet vs Nemotron 3 Ultra (550B A55B)

Nemotron 3 Ultra (550B A55B) leads the LLM Stats Score 36.3 to 23.9. Nemotron 3 Ultra (550B A55B) is 6.5x cheaper per token.

Anthropic · NVIDIA · Updated for 2026

Which is better?

Nemotron 3 Ultra (550B A55B) leads the overall LLM Stats Score 36.3 to 23.9, ranking #79 overall.

In the 2 individual benchmarks reported for both models, Nemotron 3 Ultra (550B A55B) wins 2; this is a narrower head-to-head signal than the composite indexes.

On price, Nemotron 3 Ultra (550B A55B) is roughly 6.5x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Nemotron 3 Ultra (550B A55B) also accepts a larger context window (262,144 input tokens), making it the stronger choice for long documents and large codebases.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Claude 3.7 Sonnet

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

Choose Nemotron 3 Ultra (550B A55B)

  • overall performance matters — it scores 36.3 and ranks #79 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 2 of 2 exact shared results
  • cost matters — it's about 6.5x cheaper per token
  • you process long inputs — it offers a 262,144 token context window
  • you want the most recent training data — it shipped Jun 2026
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Claude 3.7 Sonnet
Anthropic
Nemotron 3 Ultra (550B A55B)
NVIDIA
Core performance indexes
LLM Stats Score
23.9
#169
36.3
#79
Reasoning
23.1
#165
35.4
#82
Coding
13.6
#136
21.0
#93
Agents
4.9
#149
12.5
#101
Cost, coverage & limits
Benchmark wins
0 of 2
2 of 2
Input price
$3.00 / M
$0.50 / M
Output price
$15.00 / M
$2.20 / M
Context window
200,000
262,144

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Claude 3.7 Sonnet
Nemotron 3 Ultra (550B A55B)
Math
16.8#201
36.4#39
Tool use
17.9#70
2.8#166
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

11 reported for Claude 3.7 Sonnet · 26 for Nemotron 3 Ultra (550B A55B)

2 shared

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.

Sun Sep 20 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Nemotron 3 Ultra (550B A55B) costs less

For input processing, Claude 3.7 Sonnet ($3.00/1M tokens) is 6.0x more expensive than Nemotron 3 Ultra (550B A55B) ($0.50/1M tokens).

For output processing, Claude 3.7 Sonnet ($15.00/1M tokens) is 6.8x more expensive than Nemotron 3 Ultra (550B A55B) ($2.20/1M tokens).

In conclusion, Claude 3.7 Sonnet is more expensive than Nemotron 3 Ultra (550B A55B).*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Sun Sep 20 2026 • llm-stats.com
Anthropic
Claude 3.7 Sonnet
Input tokens$3.00
Output tokens$15.00
Best providerAnthropic
NVIDIA
Nemotron 3 Ultra (550B A55B)
Input tokens$0.50
Output tokens$2.20
Best providerDeepinfra
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Nemotron 3 Ultra (550B A55B) accepts 262,144 input tokens compared to Claude 3.7 Sonnet's 200,000 tokens. Nemotron 3 Ultra (550B A55B) can generate longer responses up to 262,144 tokens, while Claude 3.7 Sonnet is limited to 128,000 tokens.

Anthropic
Claude 3.7 Sonnet
Input200,000 tokens
Output128,000 tokens
NVIDIA
Nemotron 3 Ultra (550B A55B)
Input262,144 tokens
Output262,144 tokens
Sun Sep 20 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

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

1.6 years ago

Nemotron 3 Ultra (550B A55B)

Jun 4, 2026

3 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

Provider Availability

Claude 3.7 Sonnet is available from Anthropic, Bedrock, Google. Nemotron 3 Ultra (550B A55B) is available from DeepInfra.

Claude 3.7 Sonnet

anthropic logo
Anthropic
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M
bedrock logo
AWS Bedrock
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M
google logo
Google
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M

Nemotron 3 Ultra (550B A55B)

deepinfra logo
Deepinfra
Input Price:Input: $0.50/1MOutput Price:Output: $2.20/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

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

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) leads the LLM Stats Score 36.3 to 23.9. 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 capability indexes, individual benchmarks, pricing, and limits 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%.

Is Claude 3.7 Sonnet cheaper than Nemotron 3 Ultra (550B A55B)?

Nemotron 3 Ultra (550B A55B) is 6.0x cheaper for input tokens. Claude 3.7 Sonnet costs $3.00/M input and $15.00/M output via anthropic. Nemotron 3 Ultra (550B A55B) costs $0.50/M input and $2.20/M output via deepinfra.

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 262K 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 LLM Stats Score (23.9 vs 36.3), context window (200K vs 262K), input pricing ($3.00 vs $0.50/M), 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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