Anthropic Claude Haiku 4.5 vs Google Gemma 3n E4B

Detailed comparison for LLMs

AnthropicGoogle

On Guardion's LLM vulnerability Benchmark, Anthropic Claude Haiku 4.5 is the more secure of the two: Claude Haiku 4.5 scores 5.2% and Gemma 3n E4B scores 52.0% 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

Claude Haiku 4.5 is the overall winner in this comparison!

Attack Success Rate (lower is safer)

ASR for Anthropic Claude Haiku 4.5 vs Google Gemma 3n E4B. Green marks the safer model on each metric. Only the overall score is available for estimated models.

Overall (ASR)

Claude Haiku 4.5
5.2%
Gemma 3n E4B
52.0%

TAP Attack Method (ASR)

Claude Haiku 4.5
100.0%
Gemma 3n E4B
100.0%

Crescendo Attack Method (ASR)

Claude Haiku 4.5
100.0%
Gemma 3n E4B
100.0%

Zero-Shot (ASR)

Claude Haiku 4.5
100.0%
Gemma 3n E4B
100.0%

Key Highlights

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

Security Profile

Outward is better on every axis.

OverallTAPCrescendoZero-Shot
Claude Haiku 4.5
Gemma 3n E4B
Full security profile
Anthropic Claude Haiku 4.5
Full security profile
Google Gemma 3n E4B

Frequently asked questions

Is Anthropic Claude Haiku 4.5 or Google Gemma 3n E4B more secure?

On Guardion's LLM vulnerability Benchmark, Anthropic Claude Haiku 4.5 is the more secure of the two: Claude Haiku 4.5 scores 5.2% and Gemma 3n E4B scores 52.0% 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 Claude Haiku 4.5 vs Gemma 3n E4B?

Claude Haiku 4.5 has a 5.2% ASR and Gemma 3n E4B has a 52.0% ASR — the share of adversarial prompts that succeed across zero-shot, TAP, and Crescendo attacks. Lower is safer.

How were Claude Haiku 4.5 and Gemma 3n E4B 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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