Llama 3.1 Nemotron Ultra 253B v1 vs Qwen3.8-27B
Qwen3.8-27B significantly outperforms across most benchmarks.
NVIDIA · Alibaba Cloud / Qwen Team · Updated for 2026
Which is better?
Llama 3.1 Nemotron Ultra 253B v1 outperforms in 0 benchmarks, while Qwen3.8-27B is better at 1 benchmark (GPQA). Qwen3.8-27B significantly outperforms across most benchmarks.
Based on current benchmark, pricing, and model metadata for 2026.
Choose Llama 3.1 Nemotron Ultra 253B v1
- you are already invested in the NVIDIA ecosystem
Choose Qwen3.8-27B
- you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
- you want the most recent training data — it shipped Aug 2026
At a glance
The differences that matter most.
Performance Benchmarks
Comparative analysis across standard metrics
Llama 3.1 Nemotron Ultra 253B v1 outperforms in 0 benchmarks, while Qwen3.8-27B is better at 1 benchmark (GPQA).
Qwen3.8-27B significantly outperforms across most benchmarks.
Arena Performance
Playground indexes and blind preference scores
Model Size
Parameter count comparison
Llama 3.1 Nemotron Ultra 253B v1 has 225.2B more parameters than Qwen3.8-27B, making it 810.7% larger.
Input Capabilities
Supported data types and modalities
Qwen3.8-27B supports multimodal inputs, whereas Llama 3.1 Nemotron Ultra 253B v1 does not.
Qwen3.8-27B can handle both text and other forms of data like images, making it suitable for multimodal applications.
Llama 3.1 Nemotron Ultra 253B v1
Qwen3.8-27B
License
Usage and distribution terms
Llama 3.1 Nemotron Ultra 253B v1 is licensed under Llama 3.1 Community License, while Qwen3.8-27B uses Apache 2.0.
License differences may affect how you can use these models in commercial or open-source projects.
Llama 3.1 Community License
Open weights
Apache 2.0
Open weights
Release Timeline
When each model was launched
Llama 3.1 Nemotron Ultra 253B v1 was released on 2025-04-07, while Qwen3.8-27B was released on 2026-08-14.
Qwen3.8-27B is 16 months newer than Llama 3.1 Nemotron Ultra 253B v1.
Apr 7, 2025
1.4 years ago
Aug 14, 2026
1 weeks ago
1.4yr newerKnowledge Cutoff
When training data ends
Llama 3.1 Nemotron Ultra 253B v1 has a documented knowledge cutoff of 2023-12-01, while Qwen3.8-27B'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 Qwen3.8-27B's cutoff date.
Dec 2023
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Outputs Comparison
Judge for yourself.
Run your own prompts against Llama 3.1 Nemotron Ultra 253B v1 and Qwen3.8-27B side-by-side, then vote on the output you prefer.
FAQ
Common questions about Llama 3.1 Nemotron Ultra 253B v1 vs Qwen3.8-27B.
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