Alibaba Qwen3 VL 8B Thinking vs NVIDIA Llama 3.1 Nemotron Ultra 253B v1

Detailed comparison for LLMs

AlibabaNVIDIA

On Guardion's LLM vulnerability Benchmark, NVIDIA Llama 3.1 Nemotron Ultra 253B v1 is the more secure of the two: Qwen3 VL 8B Thinking scores 44.0% and Llama 3.1 Nemotron Ultra 253B v1 scores 40.0% on attack success rate (ASR) (lower is better). One or both scores are estimated from public safety evaluations pending a Guardion benchmark run.

Head-to-Head Overview

Llama 3.1 Nemotron Ultra 253B v1 is the overall winner in this comparison!

Attack Success Rate (lower is safer)

ASR for Alibaba Qwen3 VL 8B Thinking vs NVIDIA Llama 3.1 Nemotron Ultra 253B v1. Green marks the safer model on each metric. Only the overall score is available for estimated models.

Overall (ASR)

Qwen3 VL 8B Thinking
44.0%
Llama 3.1 Nemotron Ultra 253B v1
40.0%

TAP Attack Method (ASR)

Qwen3 VL 8B Thinking
100.0%
Llama 3.1 Nemotron Ultra 253B v1
100.0%

Crescendo Attack Method (ASR)

Qwen3 VL 8B Thinking
100.0%
Llama 3.1 Nemotron Ultra 253B v1
100.0%

Zero-Shot (ASR)

Qwen3 VL 8B Thinking
100.0%
Llama 3.1 Nemotron Ultra 253B v1
100.0%

Key Highlights

  • NVIDIA Llama 3.1 Nemotron Ultra 253B v1 has a lower Overall (ASR).

Security Profile

Outward is better on every axis.

OverallTAPCrescendoZero-Shot
Qwen3 VL 8B Thinking
Llama 3.1 Nemotron Ultra 253B v1
Full security profile
Alibaba Qwen3 VL 8B Thinking
Full security profile
NVIDIA Llama 3.1 Nemotron Ultra 253B v1

Frequently asked questions

Is Alibaba Qwen3 VL 8B Thinking or NVIDIA Llama 3.1 Nemotron Ultra 253B v1 more secure?

On Guardion's LLM vulnerability Benchmark, NVIDIA Llama 3.1 Nemotron Ultra 253B v1 is the more secure of the two: Qwen3 VL 8B Thinking scores 44.0% and Llama 3.1 Nemotron Ultra 253B v1 scores 40.0% on attack success rate (ASR) (lower is better). One or both scores are estimated from public safety evaluations pending a Guardion benchmark run.

What is the attack success rate (ASR) of Qwen3 VL 8B Thinking vs Llama 3.1 Nemotron Ultra 253B v1?

Qwen3 VL 8B Thinking has a 44.0% ASR and Llama 3.1 Nemotron Ultra 253B v1 has a 40.0% ASR — the share of adversarial prompts that succeed across zero-shot, TAP, and Crescendo attacks. Lower is safer.

How were Qwen3 VL 8B Thinking and Llama 3.1 Nemotron Ultra 253B v1 tested?

Both were red-teamed with the HarmBench framework across zero-shot, TAP (Tree of Attacks with Pruning), and Crescendo multi-turn attacks, scored by Attack Success Rate.

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