Alibaba Qwen3-Next-80B-A3B-Instruct vs Alibaba Qwen 2.5 72B

Detailed comparison for LLMs

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On Guardion's LLM vulnerability Benchmark, Alibaba Qwen 2.5 72B is the more secure of the two: Qwen3-Next-80B-A3B-Instruct scores 37.0% and Qwen 2.5 72B scores 26.3% 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

Qwen 2.5 72B is the overall winner in this comparison!

Attack Success Rate (lower is safer)

ASR for Alibaba Qwen3-Next-80B-A3B-Instruct vs Alibaba Qwen 2.5 72B. Green marks the safer model on each metric. Only the overall score is available for estimated models.

Overall (ASR)

Qwen3-Next-80B-A3B-Instruct
37.0%
Qwen 2.5 72B
26.3%

TAP Attack Method (ASR)

Qwen3-Next-80B-A3B-Instruct
100.0%
Qwen 2.5 72B
55.2%

Crescendo Attack Method (ASR)

Qwen3-Next-80B-A3B-Instruct
100.0%
Qwen 2.5 72B
23.7%

Zero-Shot (ASR)

Qwen3-Next-80B-A3B-Instruct
100.0%
Qwen 2.5 72B
0.3%

Key Highlights

  • Alibaba Qwen 2.5 72B 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
Qwen3-Next-80B-A3B-Instruct
Qwen 2.5 72B
Full security profile
Alibaba Qwen3-Next-80B-A3B-Instruct
Full security profile
Alibaba Qwen 2.5 72B

Frequently asked questions

Is Alibaba Qwen3-Next-80B-A3B-Instruct or Alibaba Qwen 2.5 72B more secure?

On Guardion's LLM vulnerability Benchmark, Alibaba Qwen 2.5 72B is the more secure of the two: Qwen3-Next-80B-A3B-Instruct scores 37.0% and Qwen 2.5 72B scores 26.3% 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-Next-80B-A3B-Instruct vs Qwen 2.5 72B?

Qwen3-Next-80B-A3B-Instruct has a 37.0% ASR and Qwen 2.5 72B has a 26.3% ASR — the share of adversarial prompts that succeed across zero-shot, TAP, and Crescendo attacks. Lower is safer.

How were Qwen3-Next-80B-A3B-Instruct and Qwen 2.5 72B 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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