The AI arena is free today

Open Superagent

Gemini 1.5 Flash 8B vs Llama 3.1 Nemotron Ultra 253B v1

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

Google · NVIDIA · Updated for 2026

Which is better?

Gemini 1.5 Flash 8B outperforms in 0 benchmarks, while Llama 3.1 Nemotron Ultra 253B v1 is better at 1 benchmark (GPQA). Llama 3.1 Nemotron Ultra 253B v1 significantly outperforms across most benchmarks.

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

Choose Gemini 1.5 Flash 8B

  • you want predictable pricing at $0.07/M input and $0.30/M output

Choose Llama 3.1 Nemotron Ultra 253B v1

  • you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
  • you want the most recent training data — it shipped Apr 2025
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Gemini 1.5 Flash 8B
Google
Llama 3.1 Nemotron Ultra 253B v1
NVIDIA
Benchmark wins
0 of 1
1 of 1
Input price
$0.07 / M
— / M
Output price
$0.30 / M
— / M
Context window
1,048,576
—
Released
Mar 2024
Apr 2025
License
Proprietary
Llama 3.1 Community License

Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Gemini 1.5 Flash 8B outperforms in 0 benchmarks, while Llama 3.1 Nemotron Ultra 253B v1 is better at 1 benchmark (GPQA).

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

Tue Aug 25 2026 • llm-stats.com

Arena Performance

Playground indexes and blind preference scores

Model Size

Parameter count comparison

245.0B diff

Llama 3.1 Nemotron Ultra 253B v1 has 245.0B more parameters than Gemini 1.5 Flash 8B, making it 3062.5% larger.

Google
Gemini 1.5 Flash 8B
8.0Bparameters
NVIDIA
Llama 3.1 Nemotron Ultra 253B v1
253.0Bparameters
8.0B
Gemini 1.5 Flash 8B
253.0B
Llama 3.1 Nemotron Ultra 253B v1

Context Window

Maximum input and output token capacity

Only Gemini 1.5 Flash 8B specifies input context (1,048,576 tokens). Only Gemini 1.5 Flash 8B specifies output context (8,192 tokens).

Google
Gemini 1.5 Flash 8B
Input1,048,576 tokens
Output8,192 tokens
NVIDIA
Llama 3.1 Nemotron Ultra 253B v1
Input- tokens
Output- tokens
Tue Aug 25 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Gemini 1.5 Flash 8B supports multimodal inputs, whereas Llama 3.1 Nemotron Ultra 253B v1 does not.

Gemini 1.5 Flash 8B can handle both text and other forms of data like images, making it suitable for multimodal applications.

Gemini 1.5 Flash 8B

Text
Images
Audio
Video

Llama 3.1 Nemotron Ultra 253B v1

Text
Images
Audio
Video

License

Usage and distribution terms

Gemini 1.5 Flash 8B is licensed under a proprietary license, while Llama 3.1 Nemotron Ultra 253B v1 uses Llama 3.1 Community License.

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

Gemini 1.5 Flash 8B

Proprietary

Closed source

Llama 3.1 Nemotron Ultra 253B v1

Llama 3.1 Community License

Open weights

Release Timeline

When each model was launched

Gemini 1.5 Flash 8B was released on 2024-03-15, while Llama 3.1 Nemotron Ultra 253B v1 was released on 2025-04-07.

Llama 3.1 Nemotron Ultra 253B v1 is 13 months newer than Gemini 1.5 Flash 8B.

Gemini 1.5 Flash 8B

Mar 15, 2024

2.4 years ago

Llama 3.1 Nemotron Ultra 253B v1

Apr 7, 2025

1.4 years ago

1.1yr newer

Knowledge Cutoff

When training data ends

Gemini 1.5 Flash 8B has a knowledge cutoff of 2024-10-01, while Llama 3.1 Nemotron Ultra 253B v1 has a cutoff of 2023-12-01.

Gemini 1.5 Flash 8B has more recent training data (up to 2024-10-01), making it potentially better informed about events through that date compared to Llama 3.1 Nemotron Ultra 253B v1 (2023-12-01).

Gemini 1.5 Flash 8B

Oct 2024

10 mo newer
Llama 3.1 Nemotron Ultra 253B v1

Dec 2023

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Gemini 1.5 Flash 8B and Llama 3.1 Nemotron Ultra 253B v1 side-by-side, then vote on the output you prefer.

Gemini 1.5 Flash 8B
✓ Preferred
Llama 3.1 Nemotron Ultra 253B v1
Open in Playground

FAQ

Common questions about Gemini 1.5 Flash 8B vs Llama 3.1 Nemotron Ultra 253B v1.

Which is better, Gemini 1.5 Flash 8B or Llama 3.1 Nemotron Ultra 253B v1?

Llama 3.1 Nemotron Ultra 253B v1 significantly outperforms across most benchmarks. Gemini 1.5 Flash 8B is made by Google and Llama 3.1 Nemotron Ultra 253B v1 is made by NVIDIA. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Gemini 1.5 Flash 8B compare to Llama 3.1 Nemotron Ultra 253B v1 in benchmarks?

Gemini 1.5 Flash 8B scores XSTest: 92.6%, FLEURS: 86.4%, Natural2Code: 75.5%, WMT23: 72.6%, Video-MME: 66.2%. 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%.

What are the context window sizes for Gemini 1.5 Flash 8B and Llama 3.1 Nemotron Ultra 253B v1?

Gemini 1.5 Flash 8B supports 1.0M tokens and Llama 3.1 Nemotron Ultra 253B 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 Gemini 1.5 Flash 8B and Llama 3.1 Nemotron Ultra 253B 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 Gemini 1.5 Flash 8B and Llama 3.1 Nemotron Ultra 253B v1?

Gemini 1.5 Flash 8B is developed by Google and Llama 3.1 Nemotron Ultra 253B v1 is developed by NVIDIA.

Related comparisons