The AI arena is free today

Open Superagent

Llama 3.1 Nemotron 70B Instruct vs Qwen3.8 Flash

Qwen3.8 Flash leads the LLM Stats Score 49.6 to 0.7.

NVIDIA · Alibaba Cloud / Qwen Team · Updated for 2026

Which is better?

Qwen3.8 Flash leads the overall LLM Stats Score 49.6 to 0.7, ranking #17 overall.

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

Choose Llama 3.1 Nemotron 70B Instruct

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

Choose Qwen3.8 Flash

  • overall performance matters — it scores 49.6 and ranks #17 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you want the most recent training data — it shipped Aug 2026

At a glance

The differences that matter most.

Core performance indexes
0.7
#308
49.6
#17
0.4
#301
49.2
#17
Cost, coverage & limits
Benchmark wins
Input price
— / M
$0.15 / M
Output price
— / M
$0.47 / M
Context window
1,000,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Llama 3.1 Nemotron 70B Instruct
Qwen3.8 Flash
7.4#256
32.5#56
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

11 reported for Llama 3.1 Nemotron 70B Instruct · 22 for Qwen3.8 Flash

No common benchmarks found

Llama 3.1 Nemotron 70B Instruct and Qwen3.8 Flashdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Model Size

Parameter count comparison

55.0B diff

Qwen3.8 Flash has 55.0B more parameters than Llama 3.1 Nemotron 70B Instruct, making it 78.6% larger.

NVIDIA
Llama 3.1 Nemotron 70B Instruct
70.0Bparameters
Alibaba Cloud / Qwen Team
Qwen3.8 Flash
125.0Bparameters
70.0B
Llama 3.1 Nemotron 70B Instruct
125.0B
Qwen3.8 Flash

Context Window

Maximum input and output token capacity

Only Qwen3.8 Flash specifies input context (1,000,000 tokens). Only Qwen3.8 Flash specifies output context (131,072 tokens).

NVIDIA
Llama 3.1 Nemotron 70B Instruct
Input- tokens
Output- tokens
Alibaba Cloud / Qwen Team
Qwen3.8 Flash
Input1,000,000 tokens
Output131,072 tokens
Tue Sep 01 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Qwen3.8 Flash supports multimodal inputs, whereas Llama 3.1 Nemotron 70B Instruct does not.

Qwen3.8 Flash can handle both text and other forms of data like images, making it suitable for multimodal applications.

Llama 3.1 Nemotron 70B Instruct

Text
Images
Audio
Video

Qwen3.8 Flash

Text
Images
Audio
Video

License

Usage and distribution terms

Llama 3.1 Nemotron 70B Instruct is licensed under Llama 3.1 Community License, while Qwen3.8 Flash uses a proprietary license.

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

Llama 3.1 Nemotron 70B Instruct

Llama 3.1 Community License

Open weights

Qwen3.8 Flash

Proprietary

Closed source

Release Timeline

When each model was launched

Llama 3.1 Nemotron 70B Instruct was released on 2024-10-01, while Qwen3.8 Flash was released on 2026-08-26.

Qwen3.8 Flash is 23 months newer than Llama 3.1 Nemotron 70B Instruct.

Llama 3.1 Nemotron 70B Instruct

Oct 1, 2024

1.9 years ago

Qwen3.8 Flash

Aug 26, 2026

6 days ago

1.9yr newer

Knowledge Cutoff

When training data ends

Llama 3.1 Nemotron 70B Instruct has a documented knowledge cutoff of 2023-12-01, while Qwen3.8 Flash's cutoff date is not specified.

We can confirm Llama 3.1 Nemotron 70B Instruct's training data extends to 2023-12-01, but cannot make a direct comparison without Qwen3.8 Flash's cutoff date.

Llama 3.1 Nemotron 70B Instruct

Dec 2023

Qwen3.8 Flash

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against Llama 3.1 Nemotron 70B Instruct and Qwen3.8 Flash side-by-side, then vote on the output you prefer.

Llama 3.1 Nemotron 70B Instruct
✓ Preferred
Qwen3.8 Flash
Open in Playground

FAQ

Common questions about Llama 3.1 Nemotron 70B Instruct vs Qwen3.8 Flash.

Which is better, Llama 3.1 Nemotron 70B Instruct or Qwen3.8 Flash?

Qwen3.8 Flash leads the LLM Stats Score 49.6 to 0.7. Llama 3.1 Nemotron 70B Instruct is made by NVIDIA and Qwen3.8 Flash is made by Alibaba Cloud / Qwen Team. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Llama 3.1 Nemotron 70B Instruct compare to Qwen3.8 Flash in benchmarks?

Llama 3.1 Nemotron 70B Instruct scores GSM8k: 91.4%, HellaSwag: 85.6%, Winogrande: 84.5%, GSM8K Chat: 81.9%, MMLU Chat: 80.6%. Qwen3.8 Flash scores MathVision: 95.7%, LiveCodeBench v6: 91.9%, GPQA: 91.7%, CharXiv-R: 90.6%, RealWorldQA: 88.5%.

What are the context window sizes for Llama 3.1 Nemotron 70B Instruct and Qwen3.8 Flash?

Llama 3.1 Nemotron 70B Instruct supports an unknown number of tokens and Qwen3.8 Flash supports 1.0M 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 70B Instruct and Qwen3.8 Flash?

Key differences include LLM Stats Score (0.7 vs 49.6), 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 70B Instruct and Qwen3.8 Flash?

Llama 3.1 Nemotron 70B Instruct is developed by NVIDIA and Qwen3.8 Flash is developed by Alibaba Cloud / Qwen Team.