Nemotron 3 Ultra (550B A55B) vs Qwen3.8-27B
Qwen3.8-27B has a slight edge in benchmark performance.
NVIDIA · Alibaba Cloud / Qwen Team · Updated for 2026
Which is better?
Nemotron 3 Ultra (550B A55B) outperforms in 2 benchmarks (Humanity's Last Exam, IFBench), while Qwen3.8-27B is better at 3 benchmarks (GPQA, LiveCodeBench v6, Terminal-Bench 2.1). Qwen3.8-27B has a slight edge in benchmark performance.
Based on current benchmark, pricing, and model metadata for 2026.
Choose Nemotron 3 Ultra (550B A55B)
- you are already invested in the NVIDIA ecosystem
Choose Qwen3.8-27B
- you want the strongest raw capability — it leads on 3 of 5 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
Nemotron 3 Ultra (550B A55B) outperforms in 2 benchmarks (Humanity's Last Exam, IFBench), while Qwen3.8-27B is better at 3 benchmarks (GPQA, LiveCodeBench v6, Terminal-Bench 2.1).
Qwen3.8-27B has a slight edge in benchmark performance.
Arena Performance
Playground indexes and blind preference scores
Model Size
Parameter count comparison
Nemotron 3 Ultra (550B A55B) has 522.2B more parameters than Qwen3.8-27B, making it 1879.7% larger.
Input Capabilities
Supported data types and modalities
Qwen3.8-27B supports multimodal inputs, whereas Nemotron 3 Ultra (550B A55B) does not.
Qwen3.8-27B can handle both text and other forms of data like images, making it suitable for multimodal applications.
Nemotron 3 Ultra (550B A55B)
Qwen3.8-27B
License
Usage and distribution terms
Nemotron 3 Ultra (550B A55B) is licensed under OpenMDW License v1.1, while Qwen3.8-27B uses Apache 2.0.
License differences may affect how you can use these models in commercial or open-source projects.
OpenMDW License v1.1
Open weights
Apache 2.0
Open weights
Release Timeline
When each model was launched
Nemotron 3 Ultra (550B A55B) was released on 2026-06-04, while Qwen3.8-27B was released on 2026-08-14.
Qwen3.8-27B is 2 months newer than Nemotron 3 Ultra (550B A55B).
Jun 4, 2026
2 months ago
Aug 14, 2026
1 weeks ago
2mo newerKnowledge Cutoff
When training data ends
Nemotron 3 Ultra (550B A55B) has a documented knowledge cutoff of 2025-09-30, while Qwen3.8-27B's cutoff date is not specified.
We can confirm Nemotron 3 Ultra (550B A55B)'s training data extends to 2025-09-30, but cannot make a direct comparison without Qwen3.8-27B's cutoff date.
Sep 2025
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Outputs Comparison
Judge for yourself.
Run your own prompts against Nemotron 3 Ultra (550B A55B) and Qwen3.8-27B side-by-side, then vote on the output you prefer.
FAQ
Common questions about Nemotron 3 Ultra (550B A55B) vs Qwen3.8-27B.