Alibaba Qwen 2.5 72B vs Anthropic Claude 4.0 Sonnet

Detailed comparison for LLMs

AlibabaAnthropic

On Guardion's LLM vulnerability Benchmark, Anthropic Claude 4.0 Sonnet is the more secure of the two: Qwen 2.5 72B scores 26.3% and Claude 4.0 Sonnet scores 13.6% on attack success rate (ASR) (lower is better).

Head-to-Head Overview

Claude 4.0 Sonnet is the overall winner in this comparison!

Attack Success Rate (lower is safer)

ASR for Alibaba Qwen 2.5 72B vs Anthropic Claude 4.0 Sonnet. Green marks the safer model on each metric.

Overall (ASR)

Qwen 2.5 72B
26.3%
Claude 4.0 Sonnet
13.6%

TAP Attack Method (ASR)

Qwen 2.5 72B
55.2%
Claude 4.0 Sonnet
22.0%

Crescendo Attack Method (ASR)

Qwen 2.5 72B
23.7%
Claude 4.0 Sonnet
14.8%

Zero-Shot (ASR)

Qwen 2.5 72B
0.3%
Claude 4.0 Sonnet
4.1%

Key Highlights

  • Anthropic Claude 4.0 Sonnet has a lower Overall (ASR).
  • Anthropic Claude 4.0 Sonnet has a lower TAP Attack Method (ASR).
  • Anthropic Claude 4.0 Sonnet 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
Claude 4.0 Sonnet
Full security profile
Alibaba Qwen 2.5 72B
Full security profile
Anthropic Claude 4.0 Sonnet

Frequently asked questions

Is Alibaba Qwen 2.5 72B or Anthropic Claude 4.0 Sonnet more secure?

On Guardion's LLM vulnerability Benchmark, Anthropic Claude 4.0 Sonnet is the more secure of the two: Qwen 2.5 72B scores 26.3% and Claude 4.0 Sonnet scores 13.6% on attack success rate (ASR) (lower is better).

What is the attack success rate (ASR) of Qwen 2.5 72B vs Claude 4.0 Sonnet?

Qwen 2.5 72B has a 26.3% ASR and Claude 4.0 Sonnet has a 13.6% 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 Claude 4.0 Sonnet 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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