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Llama 3.1 Nemotron Ultra 253B v1 vs Nova Pro

Llama 3.1 Nemotron Ultra 253B v1 leads the LLM Stats Score 19.1 to 12.3.

NVIDIA · Amazon · Updated for 2026

Which is better?

Llama 3.1 Nemotron Ultra 253B v1 leads the overall LLM Stats Score 19.1 to 12.3, ranking #206 overall.

The models split the 2 individual benchmarks reported for both models evenly.

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

Choose Llama 3.1 Nemotron Ultra 253B v1

  • overall performance matters — it scores 19.1 and ranks #206 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you want the most recent training data — it shipped Apr 2025
  • you need open weights you can self-host or fine-tune

Choose Nova Pro

  • you want predictable pricing at $0.80/M input and $3.20/M output

At a glance

The differences that matter most.

Llama 3.1 Nemotron Ultra 253B v1
NVIDIA
Nova Pro
Amazon
Core performance indexes
LLM Stats Score
19.1
#206
12.3
#252
Reasoning
18.8
#205
12.0
#247
Coding
12.4
#146
10.1
#165
Cost, coverage & limits
Benchmark wins
1 of 2
1 of 2
Input price
— / M
$0.80 / M
Output price
— / M
$3.20 / M
Context window
—
300,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Llama 3.1 Nemotron Ultra 253B v1
Nova Pro
Math
15.6#214
18.9#173
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

6 reported for Llama 3.1 Nemotron Ultra 253B v1 · 27 for Nova Pro

2 shared

Llama 3.1 Nemotron Ultra 253B v1 outperforms in 1 benchmarks (GPQA), while Nova Pro is better at 1 benchmark (IFEval).

Both models are evenly matched across the benchmarks.

Mon Sep 21 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only Nova Pro specifies input context (300,000 tokens). Only Nova Pro specifies output context (300,000 tokens).

NVIDIA
Llama 3.1 Nemotron Ultra 253B v1
Input- tokens
Output- tokens
Amazon
Nova Pro
Input300,000 tokens
Output300,000 tokens
Mon Sep 21 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Nova Pro supports multimodal inputs, whereas Llama 3.1 Nemotron Ultra 253B v1 does not.

Nova Pro can handle both text and other forms of data like images, making it suitable for multimodal applications.

Llama 3.1 Nemotron Ultra 253B v1

Text
Images
Audio
Video

Nova Pro

Text
Images
Audio
Video

License

Usage and distribution terms

Llama 3.1 Nemotron Ultra 253B v1 is licensed under Llama 3.1 Community License, while Nova Pro uses a proprietary license.

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

Llama 3.1 Nemotron Ultra 253B v1

Llama 3.1 Community License

Open weights

Nova Pro

Proprietary

Closed source

Release Timeline

When each model was launched

Llama 3.1 Nemotron Ultra 253B v1 was released on 2025-04-07, while Nova Pro was released on 2024-11-20.

Llama 3.1 Nemotron Ultra 253B v1 is 5 months newer than Nova Pro.

Llama 3.1 Nemotron Ultra 253B v1

Apr 7, 2025

1.5 years ago

4mo newer
Nova Pro

Nov 20, 2024

1.8 years ago

Knowledge Cutoff

When training data ends

Llama 3.1 Nemotron Ultra 253B v1 has a documented knowledge cutoff of 2023-12-01, while Nova Pro's cutoff date is not specified.

We can confirm Llama 3.1 Nemotron Ultra 253B v1's training data extends to 2023-12-01, but cannot make a direct comparison without Nova Pro's cutoff date.

Llama 3.1 Nemotron Ultra 253B v1

Dec 2023

Nova Pro

—

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Llama 3.1 Nemotron Ultra 253B v1 and Nova Pro side-by-side, then vote on the output you prefer.

Llama 3.1 Nemotron Ultra 253B v1
✓ Preferred
Nova Pro
Open in Playground

FAQ

Common questions about Llama 3.1 Nemotron Ultra 253B v1 vs Nova Pro.

Which is better, Llama 3.1 Nemotron Ultra 253B v1 or Nova Pro?

Llama 3.1 Nemotron Ultra 253B v1 leads the LLM Stats Score 19.1 to 12.3. Llama 3.1 Nemotron Ultra 253B v1 is made by NVIDIA and Nova Pro is made by Amazon. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Llama 3.1 Nemotron Ultra 253B v1 compare to Nova Pro in benchmarks?

Llama 3.1 Nemotron Ultra 253B v1 scores MATH-500: 97.0%, IFEval: 89.5%, GPQA: 76.0%, BFCL v2: 74.1%, AIME 2025: 72.5%. Nova Pro scores ARC-C: 94.8%, GSM8k: 94.8%, DocVQA: 93.5%, IFEval: 92.1%, ChartQA: 89.2%.

What are the context window sizes for Llama 3.1 Nemotron Ultra 253B v1 and Nova Pro?

Llama 3.1 Nemotron Ultra 253B v1 supports an unknown number of tokens and Nova Pro supports 300K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Llama 3.1 Nemotron Ultra 253B v1 and Nova Pro?

Key differences include LLM Stats Score (19.1 vs 12.3), multimodal support (no vs yes), licensing (Llama 3.1 Community License vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Llama 3.1 Nemotron Ultra 253B v1 and Nova Pro?

Llama 3.1 Nemotron Ultra 253B v1 is developed by NVIDIA and Nova Pro is developed by Amazon.

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