Google Gemma 3n E4B vs Google Gemini 2.0 Flash

Detailed comparison for LLMs

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On Guardion's LLM vulnerability Benchmark, Google Gemini 2.0 Flash is the more secure of the two: Gemma 3n E4B scores 52.0% and Gemini 2.0 Flash scores 33.6% 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

Gemini 2.0 Flash is the overall winner in this comparison!

Attack Success Rate (lower is safer)

ASR for Google Gemma 3n E4B vs Google Gemini 2.0 Flash. Green marks the safer model on each metric. Only the overall score is available for estimated models.

Overall (ASR)

Gemma 3n E4B
52.0%
Gemini 2.0 Flash
33.6%

TAP Attack Method (ASR)

Gemma 3n E4B
100.0%
Gemini 2.0 Flash
67.6%

Crescendo Attack Method (ASR)

Gemma 3n E4B
100.0%
Gemini 2.0 Flash
30.4%

Zero-Shot (ASR)

Gemma 3n E4B
100.0%
Gemini 2.0 Flash
2.8%

Key Highlights

  • Google Gemini 2.0 Flash has a lower Overall (ASR).
  • Google Gemini 2.0 Flash has a lower TAP Attack Method (ASR).
  • Google Gemini 2.0 Flash has a lower Crescendo Attack Method (ASR).
  • Google Gemini 2.0 Flash has a lower Zero-Shot (ASR).

Security Profile

Outward is better on every axis.

OverallTAPCrescendoZero-Shot
Gemma 3n E4B
Gemini 2.0 Flash
Full security profile
Google Gemma 3n E4B
Full security profile
Google Gemini 2.0 Flash

Frequently asked questions

Is Google Gemma 3n E4B or Google Gemini 2.0 Flash more secure?

On Guardion's LLM vulnerability Benchmark, Google Gemini 2.0 Flash is the more secure of the two: Gemma 3n E4B scores 52.0% and Gemini 2.0 Flash scores 33.6% 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 Gemma 3n E4B vs Gemini 2.0 Flash?

Gemma 3n E4B has a 52.0% ASR and Gemini 2.0 Flash has a 33.6% ASR — the share of adversarial prompts that succeed across zero-shot, TAP, and Crescendo attacks. Lower is safer.

How were Gemma 3n E4B and Gemini 2.0 Flash 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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