Model Comparison

Llama 3.1 Nemotron Ultra 253B v1 vs Nova MicroWhich is better in 2026?

Llama 3.1 Nemotron Ultra 253B v1 significantly outperforms across most benchmarks.

Verdict: Llama 3.1 Nemotron Ultra 253B v1 vs Nova Micro — which is better?

Llama 3.1 Nemotron Ultra 253B v1 (by NVIDIA) and Nova Micro (by Amazon) 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.

Llama 3.1 Nemotron Ultra 253B v1 outperforms in 2 benchmarks (GPQA, IFEval), while Nova Micro is better at 0 benchmarks. Llama 3.1 Nemotron Ultra 253B v1 significantly outperforms across most benchmarks.

Choose Llama 3.1 Nemotron Ultra 253B v1 if…

  • you want the strongest raw capability — it leads on 2 of 2 shared benchmarks
  • you want the most recent training data — it shipped Apr 2025
  • you need open weights you can self-host or fine-tune

Choose Nova Micro if…

  • you want predictable pricing at $0.03/M input and $0.14/M output
Want to compare interactively?Try the playground

Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

Llama 3.1 Nemotron Ultra 253B v1 outperforms in 2 benchmarks (GPQA, IFEval), while Nova Micro is better at 0 benchmarks.

Llama 3.1 Nemotron Ultra 253B v1 significantly outperforms across most benchmarks.

Tue Jun 16 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only Nova Micro specifies input context (128,000 tokens). Only Nova Micro specifies output context (128,000 tokens).

NVIDIA
Llama 3.1 Nemotron Ultra 253B v1
Input- tokens
Output- tokens
Amazon
Nova Micro
Input128,000 tokens
Output128,000 tokens
Tue Jun 16 2026 • llm-stats.com

License

Usage and distribution terms

Llama 3.1 Nemotron Ultra 253B v1 is licensed under Llama 3.1 Community License, while Nova Micro 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 Micro

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 Micro was released on 2024-11-20.

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

Llama 3.1 Nemotron Ultra 253B v1

Apr 7, 2025

1.2 years ago

4mo newer
Nova Micro

Nov 20, 2024

1.6 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 Micro'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 Micro's cutoff date.

Llama 3.1 Nemotron Ultra 253B v1

Dec 2023

Nova Micro

—

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

NVIDIA
Has open weights
Higher GPQA score (76.0% vs 40.0%)
Higher IFEval score (89.5% vs 87.2%)
Amazon
Larger context window (128,000 tokens)

Detailed Comparison

AI Model Comparison Table
Feature
NVIDIA
Llama 3.1 Nemotron Ultra 253B v1
Amazon
Nova Micro

FAQ

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

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

Llama 3.1 Nemotron Ultra 253B v1 significantly outperforms across most benchmarks. Llama 3.1 Nemotron Ultra 253B v1 is made by NVIDIA and Nova Micro is made by Amazon. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Llama 3.1 Nemotron Ultra 253B v1 compare to Nova Micro 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 Micro scores GSM8k: 92.3%, ARC-C: 90.2%, Translation Set1→en COMET22: 88.7%, Translation en→Set1 COMET22: 88.5%, IFEval: 87.2%.

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

Llama 3.1 Nemotron Ultra 253B v1 supports an unknown number of tokens and Nova Micro supports 128K 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 Micro?

Key differences include 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 Micro?

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

Related comparisons