Google Gemini 2.0 Flash Thinking vs Mistral Mistral Large 2

Detailed comparison for LLMs

GoogleMistral

On Guardion's LLM vulnerability Benchmark, Google Gemini 2.0 Flash Thinking is the more secure of the two: Gemini 2.0 Flash Thinking scores 21.5% and Mistral Large 2 scores 42.0% 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 Thinking is the overall winner in this comparison!

Attack Success Rate (lower is safer)

ASR for Google Gemini 2.0 Flash Thinking vs Mistral Mistral Large 2. Green marks the safer model on each metric. Only the overall score is available for estimated models.

Overall (ASR)

Gemini 2.0 Flash Thinking
21.5%
Mistral Large 2
42.0%

TAP Attack Method (ASR)

Gemini 2.0 Flash Thinking
100.0%
Mistral Large 2
100.0%

Crescendo Attack Method (ASR)

Gemini 2.0 Flash Thinking
100.0%
Mistral Large 2
100.0%

Zero-Shot (ASR)

Gemini 2.0 Flash Thinking
100.0%
Mistral Large 2
100.0%

Key Highlights

  • Google Gemini 2.0 Flash Thinking has a lower Overall (ASR).

Security Profile

Outward is better on every axis.

OverallTAPCrescendoZero-Shot
Gemini 2.0 Flash Thinking
Mistral Large 2
Full security profile
Google Gemini 2.0 Flash Thinking
Full security profile
Mistral Mistral Large 2

Frequently asked questions

Is Google Gemini 2.0 Flash Thinking or Mistral Mistral Large 2 more secure?

On Guardion's LLM vulnerability Benchmark, Google Gemini 2.0 Flash Thinking is the more secure of the two: Gemini 2.0 Flash Thinking scores 21.5% and Mistral Large 2 scores 42.0% 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 Thinking vs Mistral Large 2?

Gemini 2.0 Flash Thinking has a 21.5% ASR and Mistral Large 2 has a 42.0% ASR — the share of adversarial prompts that succeed across zero-shot, TAP, and Crescendo attacks. Lower is safer.

How were Gemini 2.0 Flash Thinking and Mistral Large 2 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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