Anthropic Claude Sonnet 4.5 vs Google Gemma 3n E2B Instructed LiteRT

Detailed comparison for LLMs

AnthropicGoogle

On Guardion's LLM vulnerability Benchmark, Anthropic Claude Sonnet 4.5 is the more secure of the two: Claude Sonnet 4.5 scores 4.2% and Gemma 3n E2B Instructed LiteRT scores 55.0% 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 Sonnet 4.5 is the overall winner in this comparison!

Attack Success Rate (lower is safer)

ASR for Anthropic Claude Sonnet 4.5 vs Google Gemma 3n E2B Instructed LiteRT. Green marks the safer model on each metric. Only the overall score is available for estimated models.

Overall (ASR)

Claude Sonnet 4.5
4.2%
Gemma 3n E2B Instructed LiteRT
55.0%

TAP Attack Method (ASR)

Claude Sonnet 4.5
100.0%
Gemma 3n E2B Instructed LiteRT
100.0%

Crescendo Attack Method (ASR)

Claude Sonnet 4.5
100.0%
Gemma 3n E2B Instructed LiteRT
100.0%

Zero-Shot (ASR)

Claude Sonnet 4.5
100.0%
Gemma 3n E2B Instructed LiteRT
100.0%

Key Highlights

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

Security Profile

Outward is better on every axis.

OverallTAPCrescendoZero-Shot
Claude Sonnet 4.5
Gemma 3n E2B Instructed LiteRT
Full security profile
Anthropic Claude Sonnet 4.5
Full security profile
Google Gemma 3n E2B Instructed LiteRT

Frequently asked questions

Is Anthropic Claude Sonnet 4.5 or Google Gemma 3n E2B Instructed LiteRT more secure?

On Guardion's LLM vulnerability Benchmark, Anthropic Claude Sonnet 4.5 is the more secure of the two: Claude Sonnet 4.5 scores 4.2% and Gemma 3n E2B Instructed LiteRT scores 55.0% 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 Sonnet 4.5 vs Gemma 3n E2B Instructed LiteRT?

Claude Sonnet 4.5 has a 4.2% ASR and Gemma 3n E2B Instructed LiteRT has a 55.0% ASR — the share of adversarial prompts that succeed across zero-shot, TAP, and Crescendo attacks. Lower is safer.

How were Claude Sonnet 4.5 and Gemma 3n E2B Instructed LiteRT 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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