Alibaba Qwen2 7B Instruct vs Anthropic Claude Haiku 4.5

Detailed comparison for LLMs

AlibabaAnthropic

On Guardion's LLM vulnerability Benchmark, Anthropic Claude Haiku 4.5 is the more secure of the two: Qwen2 7B Instruct scores 52.0% and Claude Haiku 4.5 scores 5.2% 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

Claude Haiku 4.5 is the overall winner in this comparison!

Attack Success Rate (lower is safer)

ASR for Alibaba Qwen2 7B Instruct vs Anthropic Claude Haiku 4.5. Green marks the safer model on each metric. Only the overall score is available for estimated models.

Overall (ASR)

Qwen2 7B Instruct
52.0%
Claude Haiku 4.5
5.2%

TAP Attack Method (ASR)

Qwen2 7B Instruct
100.0%
Claude Haiku 4.5
100.0%

Crescendo Attack Method (ASR)

Qwen2 7B Instruct
100.0%
Claude Haiku 4.5
100.0%

Zero-Shot (ASR)

Qwen2 7B Instruct
100.0%
Claude Haiku 4.5
100.0%

Key Highlights

  • Anthropic Claude Haiku 4.5 has a lower Overall (ASR).

Security Profile

Outward is better on every axis.

OverallTAPCrescendoZero-Shot
Qwen2 7B Instruct
Claude Haiku 4.5
Full security profile
Alibaba Qwen2 7B Instruct
Full security profile
Anthropic Claude Haiku 4.5

Frequently asked questions

Is Alibaba Qwen2 7B Instruct or Anthropic Claude Haiku 4.5 more secure?

On Guardion's LLM vulnerability Benchmark, Anthropic Claude Haiku 4.5 is the more secure of the two: Qwen2 7B Instruct scores 52.0% and Claude Haiku 4.5 scores 5.2% 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 Qwen2 7B Instruct vs Claude Haiku 4.5?

Qwen2 7B Instruct has a 52.0% ASR and Claude Haiku 4.5 has a 5.2% ASR — the share of adversarial prompts that succeed across zero-shot, TAP, and Crescendo attacks. Lower is safer.

How were Qwen2 7B Instruct and Claude Haiku 4.5 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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