Alibaba Qwen 2.5 72B vs Amazon Nova Pro

Detailed comparison for LLMs

AlibabaAmazon

On Guardion's LLM vulnerability Benchmark, Amazon Nova Pro is the more secure of the two: Qwen 2.5 72B scores 26.3% and Nova Pro scores 24.0% 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

Nova Pro is the overall winner in this comparison!

Attack Success Rate (lower is safer)

ASR for Alibaba Qwen 2.5 72B vs Amazon Nova Pro. Green marks the safer model on each metric. Only the overall score is available for estimated models.

Overall (ASR)

Qwen 2.5 72B
26.3%
Nova Pro
24.0%

TAP Attack Method (ASR)

Qwen 2.5 72B
55.2%
Nova Pro
100.0%

Crescendo Attack Method (ASR)

Qwen 2.5 72B
23.7%
Nova Pro
100.0%

Zero-Shot (ASR)

Qwen 2.5 72B
0.3%
Nova Pro
100.0%

Key Highlights

  • Amazon Nova Pro has a lower Overall (ASR).
  • Alibaba Qwen 2.5 72B has a lower TAP Attack Method (ASR).
  • Alibaba Qwen 2.5 72B has a lower Crescendo Attack Method (ASR).
  • Alibaba Qwen 2.5 72B has a lower Zero-Shot (ASR).

Security Profile

Outward is better on every axis.

OverallTAPCrescendoZero-Shot
Qwen 2.5 72B
Nova Pro
Full security profile
Alibaba Qwen 2.5 72B
Full security profile
Amazon Nova Pro

Frequently asked questions

Is Alibaba Qwen 2.5 72B or Amazon Nova Pro more secure?

On Guardion's LLM vulnerability Benchmark, Amazon Nova Pro is the more secure of the two: Qwen 2.5 72B scores 26.3% and Nova Pro scores 24.0% 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 Qwen 2.5 72B vs Nova Pro?

Qwen 2.5 72B has a 26.3% ASR and Nova Pro has a 24.0% ASR — the share of adversarial prompts that succeed across zero-shot, TAP, and Crescendo attacks. Lower is safer.

How were Qwen 2.5 72B and Nova Pro 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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