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GPT-5 mini vs Llama 3.1 Nemotron Nano 8B V1

GPT-5 mini significantly outperforms across most benchmarks.

OpenAI · NVIDIA · Updated for 2026

Which is better?

GPT-5 mini outperforms in 2 benchmarks (AIME 2025, GPQA), while Llama 3.1 Nemotron Nano 8B V1 is better at 0 benchmarks. GPT-5 mini significantly outperforms across most benchmarks.

Based on current benchmark, pricing, and model metadata for 2026.

Choose GPT-5 mini

  • you want the strongest raw capability — it leads on 2 of 2 shared benchmarks
  • you want the most recent training data — it shipped Aug 2025

Choose Llama 3.1 Nemotron Nano 8B V1

  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

GPT-5 mini
OpenAI
Llama 3.1 Nemotron Nano 8B V1
NVIDIA
Benchmark wins
2 of 2
0 of 2
Input price
$0.25 / M
— / M
Output price
$2.00 / M
— / M
Context window
400,000
—
Released
Aug 2025
Mar 2025
License
Proprietary
Llama 3.1 Community License

Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

GPT-5 mini outperforms in 2 benchmarks (AIME 2025, GPQA), while Llama 3.1 Nemotron Nano 8B V1 is better at 0 benchmarks.

GPT-5 mini significantly outperforms across most benchmarks.

Tue Aug 25 2026 • llm-stats.com

Arena Performance

Playground indexes and blind preference scores

Context Window

Maximum input and output token capacity

Only GPT-5 mini specifies input context (400,000 tokens). Only GPT-5 mini specifies output context (128,000 tokens).

OpenAI
GPT-5 mini
Input400,000 tokens
Output128,000 tokens
NVIDIA
Llama 3.1 Nemotron Nano 8B V1
Input- tokens
Output- tokens
Tue Aug 25 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

GPT-5 mini supports multimodal inputs, whereas Llama 3.1 Nemotron Nano 8B V1 does not.

GPT-5 mini can handle both text and other forms of data like images, making it suitable for multimodal applications.

GPT-5 mini

Text
Images
Audio
Video

Llama 3.1 Nemotron Nano 8B V1

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-5 mini is licensed under a proprietary license, while Llama 3.1 Nemotron Nano 8B V1 uses Llama 3.1 Community License.

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

GPT-5 mini

Proprietary

Closed source

Llama 3.1 Nemotron Nano 8B V1

Llama 3.1 Community License

Open weights

Release Timeline

When each model was launched

GPT-5 mini was released on 2025-08-07, while Llama 3.1 Nemotron Nano 8B V1 was released on 2025-03-18.

GPT-5 mini is 5 months newer than Llama 3.1 Nemotron Nano 8B V1.

GPT-5 mini

Aug 7, 2025

1.0 years ago

4mo newer
Llama 3.1 Nemotron Nano 8B V1

Mar 18, 2025

1.4 years ago

Knowledge Cutoff

When training data ends

GPT-5 mini has a knowledge cutoff of 2024-05-30, while Llama 3.1 Nemotron Nano 8B V1 has a cutoff of 2023-12-31.

GPT-5 mini has more recent training data (up to 2024-05-30), making it potentially better informed about events through that date compared to Llama 3.1 Nemotron Nano 8B V1 (2023-12-31).

GPT-5 mini

May 2024

5 mo newer
Llama 3.1 Nemotron Nano 8B V1

Dec 2023

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against GPT-5 mini and Llama 3.1 Nemotron Nano 8B V1 side-by-side, then vote on the output you prefer.

GPT-5 mini
✓ Preferred
Llama 3.1 Nemotron Nano 8B V1
Open in Playground

FAQ

Common questions about GPT-5 mini vs Llama 3.1 Nemotron Nano 8B V1.

Which is better, GPT-5 mini or Llama 3.1 Nemotron Nano 8B V1?

GPT-5 mini significantly outperforms across most benchmarks. GPT-5 mini is made by OpenAI and Llama 3.1 Nemotron Nano 8B V1 is made by NVIDIA. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does GPT-5 mini compare to Llama 3.1 Nemotron Nano 8B V1 in benchmarks?

GPT-5 mini scores AIME 2025: 91.1%, HMMT 2025: 87.8%, GPQA: 82.3%, FrontierMath: 22.1%, Humanity's Last Exam: 16.7%. Llama 3.1 Nemotron Nano 8B V1 scores MATH-500: 95.4%, MBPP: 84.6%, MT-Bench: 81.0%, IFEval: 79.3%, BFCL v2: 63.6%.

What are the context window sizes for GPT-5 mini and Llama 3.1 Nemotron Nano 8B V1?

GPT-5 mini supports 400K tokens and Llama 3.1 Nemotron Nano 8B V1 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 GPT-5 mini and Llama 3.1 Nemotron Nano 8B V1?

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

Who makes GPT-5 mini and Llama 3.1 Nemotron Nano 8B V1?

GPT-5 mini is developed by OpenAI and Llama 3.1 Nemotron Nano 8B V1 is developed by NVIDIA.

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