Alibaba Qwen 2.5 72B vs Google Gemini 2.5 Pro

Detailed comparison for LLMs

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On Guardion's LLM vulnerability Benchmark, Google Gemini 2.5 Pro is the more secure of the two: Qwen 2.5 72B scores 26.3% and Gemini 2.5 Pro scores 16.1% on attack success rate (ASR) (lower is better).

Head-to-Head Overview

Gemini 2.5 Pro is the overall winner in this comparison!

Attack Success Rate (lower is safer)

ASR for Alibaba Qwen 2.5 72B vs Google Gemini 2.5 Pro. Green marks the safer model on each metric.

Overall (ASR)

Qwen 2.5 72B
26.3%
Gemini 2.5 Pro
16.1%

TAP Attack Method (ASR)

Qwen 2.5 72B
55.2%
Gemini 2.5 Pro
27.5%

Crescendo Attack Method (ASR)

Qwen 2.5 72B
23.7%
Gemini 2.5 Pro
19.1%

Zero-Shot (ASR)

Qwen 2.5 72B
0.3%
Gemini 2.5 Pro
1.6%

Key Highlights

  • Google Gemini 2.5 Pro has a lower Overall (ASR).
  • Google Gemini 2.5 Pro has a lower TAP Attack Method (ASR).
  • Google Gemini 2.5 Pro 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
Gemini 2.5 Pro
Full security profile
Alibaba Qwen 2.5 72B
Full security profile
Google Gemini 2.5 Pro

Frequently asked questions

Is Alibaba Qwen 2.5 72B or Google Gemini 2.5 Pro more secure?

On Guardion's LLM vulnerability Benchmark, Google Gemini 2.5 Pro is the more secure of the two: Qwen 2.5 72B scores 26.3% and Gemini 2.5 Pro scores 16.1% on attack success rate (ASR) (lower is better).

What is the attack success rate (ASR) of Qwen 2.5 72B vs Gemini 2.5 Pro?

Qwen 2.5 72B has a 26.3% ASR and Gemini 2.5 Pro has a 16.1% 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 Gemini 2.5 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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