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Nemotron 3 Ultra (550B A55B) vs Qwen3.8-Flash-Next

Qwen3.8-Flash-Next leads the LLM Stats Score 50.5 to 37.0.

NVIDIA · Alibaba Cloud / Qwen Team · Updated for 2026

Which is better?

Qwen3.8-Flash-Next leads the overall LLM Stats Score 50.5 to 37.0, ranking #14 overall.

In the 5 individual benchmarks reported for both models, Qwen3.8-Flash-Next wins 3; this is a narrower head-to-head signal than the composite indexes.

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

Choose Nemotron 3 Ultra (550B A55B)

  • you are already invested in the NVIDIA ecosystem

Choose Qwen3.8-Flash-Next

  • overall performance matters — it scores 50.5 and ranks #14 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 3 of 5 exact shared results
  • you want the most recent training data — it shipped Aug 2026

At a glance

The differences that matter most.

Nemotron 3 Ultra (550B A55B)
NVIDIA
Qwen3.8-Flash-Next
Alibaba Cloud / Qwen Team
Core performance indexes
LLM Stats Score
37.0
#63
50.5
#14
Reasoning
36.3
#67
50.6
#12
Coding
22.1
#72
38.4
#19
Agents
13.4
#86
37.2
#12
Cost, coverage & limits
Benchmark wins
2 of 5
3 of 5
Input price
— / M
— / M
Output price
— / M
— / M
Context window
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Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Nemotron 3 Ultra (550B A55B)
Qwen3.8-Flash-Next
Math
36.4#37
33.3#50
Tool use
7.4#132
32.3#8
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

26 reported for Nemotron 3 Ultra (550B A55B) · 22 for Qwen3.8-Flash-Next

5 shared

Nemotron 3 Ultra (550B A55B) outperforms in 2 benchmarks (Humanity's Last Exam, IFBench), while Qwen3.8-Flash-Next is better at 3 benchmarks (GPQA, LiveCodeBench v6, SWE-bench Multilingual).

Qwen3.8-Flash-Next has a slight edge in benchmark performance.

Fri Aug 28 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Model Size

Parameter count comparison

425.0B diff

Nemotron 3 Ultra (550B A55B) has 425.0B more parameters than Qwen3.8-Flash-Next, making it 340.0% larger.

NVIDIA
Nemotron 3 Ultra (550B A55B)
550.0Bparameters
Alibaba Cloud / Qwen Team
Qwen3.8-Flash-Next
125.0Bparameters
550.0B
Nemotron 3 Ultra (550B A55B)
125.0B
Qwen3.8-Flash-Next

Input capabilities

Documented input modalities across available providers

Qwen3.8-Flash-Next supports multimodal inputs, whereas Nemotron 3 Ultra (550B A55B) does not.

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

Nemotron 3 Ultra (550B A55B)

Text
Images
Audio
Video

Qwen3.8-Flash-Next

Text
Images
Audio
Video

License

Usage and distribution terms

Nemotron 3 Ultra (550B A55B) is licensed under OpenMDW License v1.1, while Qwen3.8-Flash-Next uses Qwen Community License 1.0.

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

Nemotron 3 Ultra (550B A55B)

OpenMDW License v1.1

Open weights

Qwen3.8-Flash-Next

Qwen Community License 1.0

Open weights

Release Timeline

When each model was launched

Nemotron 3 Ultra (550B A55B) was released on 2026-06-04, while Qwen3.8-Flash-Next was released on 2026-08-26.

Qwen3.8-Flash-Next is 3 months newer than Nemotron 3 Ultra (550B A55B).

Nemotron 3 Ultra (550B A55B)

Jun 4, 2026

2 months ago

Qwen3.8-Flash-Next

Aug 26, 2026

2 days ago

2mo newer

Knowledge Cutoff

When training data ends

Nemotron 3 Ultra (550B A55B) has a documented knowledge cutoff of 2025-09-30, while Qwen3.8-Flash-Next'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-Flash-Next's cutoff date.

Nemotron 3 Ultra (550B A55B)

Sep 2025

Qwen3.8-Flash-Next

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Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Nemotron 3 Ultra (550B A55B) and Qwen3.8-Flash-Next side-by-side, then vote on the output you prefer.

Nemotron 3 Ultra (550B A55B)
✓ Preferred
Qwen3.8-Flash-Next
Open in Playground

FAQ

Common questions about Nemotron 3 Ultra (550B A55B) vs Qwen3.8-Flash-Next.

Which is better, Nemotron 3 Ultra (550B A55B) or Qwen3.8-Flash-Next?

Qwen3.8-Flash-Next leads the LLM Stats Score 50.5 to 37.0. Nemotron 3 Ultra (550B A55B) is made by NVIDIA and Qwen3.8-Flash-Next 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 Nemotron 3 Ultra (550B A55B) compare to Qwen3.8-Flash-Next in benchmarks?

Nemotron 3 Ultra (550B A55B) scores RULER: 94.7%, IMO-AnswerBench: 92.3%, PinchBench: 90.0%, LiveCodeBench v6: 89.0%, GPQA: 87.0%. Qwen3.8-Flash-Next scores MathVision: 95.7%, LiveCodeBench v6: 91.9%, GPQA: 91.7%, CharXiv-R: 90.6%, RealWorldQA: 88.5%.

What are the main differences between Nemotron 3 Ultra (550B A55B) and Qwen3.8-Flash-Next?

Key differences include LLM Stats Score (37.0 vs 50.5), multimodal support (no vs yes), licensing (OpenMDW License v1.1 vs Qwen Community License 1.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Nemotron 3 Ultra (550B A55B) and Qwen3.8-Flash-Next?

Nemotron 3 Ultra (550B A55B) is developed by NVIDIA and Qwen3.8-Flash-Next is developed by Alibaba Cloud / Qwen Team.

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