Google Gemini 2.0 Flash vs Mistral Mistral NeMo Instruct

Detailed comparison for LLMs

GoogleMistral

On Guardion's LLM vulnerability Benchmark, Google Gemini 2.0 Flash is the more secure of the two: Gemini 2.0 Flash scores 33.6% and Mistral NeMo Instruct scores 50.0% 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

Gemini 2.0 Flash is the overall winner in this comparison!

Attack Success Rate (lower is safer)

ASR for Google Gemini 2.0 Flash vs Mistral Mistral NeMo Instruct. Green marks the safer model on each metric. Only the overall score is available for estimated models.

Overall (ASR)

Gemini 2.0 Flash
33.6%
Mistral NeMo Instruct
50.0%

TAP Attack Method (ASR)

Gemini 2.0 Flash
67.6%
Mistral NeMo Instruct
100.0%

Crescendo Attack Method (ASR)

Gemini 2.0 Flash
30.4%
Mistral NeMo Instruct
100.0%

Zero-Shot (ASR)

Gemini 2.0 Flash
2.8%
Mistral NeMo Instruct
100.0%

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
Gemini 2.0 Flash
Mistral NeMo Instruct
Full security profile
Google Gemini 2.0 Flash
Full security profile
Mistral Mistral NeMo Instruct

Frequently asked questions

Is Google Gemini 2.0 Flash or Mistral Mistral NeMo Instruct more secure?

On Guardion's LLM vulnerability Benchmark, Google Gemini 2.0 Flash is the more secure of the two: Gemini 2.0 Flash scores 33.6% and Mistral NeMo Instruct scores 50.0% 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 Gemini 2.0 Flash vs Mistral NeMo Instruct?

Gemini 2.0 Flash has a 33.6% ASR and Mistral NeMo Instruct has a 50.0% ASR — the share of adversarial prompts that succeed across zero-shot, TAP, and Crescendo attacks. Lower is safer.

How were Gemini 2.0 Flash and Mistral NeMo Instruct 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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