Google Gemini 2.5 Pro vs Mistral Mixtral 8x7B

Detailed comparison for LLMs

GoogleMistral

On Guardion's LLM vulnerability Benchmark, Google Gemini 2.5 Pro is the more secure of the two: Gemini 2.5 Pro scores 16.1% and Mixtral 8x7B scores 38.0% on attack success rate (ASR) (lower is better).

Head-to-Head Overview

Gemini 2.5 Pro is the overall winner in this comparison!

Attack Success Rate (lower is safer)

ASR for Google Gemini 2.5 Pro vs Mistral Mixtral 8x7B. Green marks the safer model on each metric.

Overall (ASR)

Gemini 2.5 Pro
16.1%
Mixtral 8x7B
38.0%

TAP Attack Method (ASR)

Gemini 2.5 Pro
27.5%
Mixtral 8x7B
66.2%

Crescendo Attack Method (ASR)

Gemini 2.5 Pro
19.1%
Mixtral 8x7B
24.3%

Zero-Shot (ASR)

Gemini 2.5 Pro
1.6%
Mixtral 8x7B
23.6%

Key Highlights

  • Google Gemini 2.5 Pro has a lower Overall (ASR).
  • Google Gemini 2.5 Pro has a lower TAP Attack Method (ASR).
  • Google Gemini 2.5 Pro has a lower Crescendo Attack Method (ASR).
  • Google Gemini 2.5 Pro has a lower Zero-Shot (ASR).

Security Profile

Outward is better on every axis.

OverallTAPCrescendoZero-Shot
Gemini 2.5 Pro
Mixtral 8x7B
Full security profile
Google Gemini 2.5 Pro
Full security profile
Mistral Mixtral 8x7B

Frequently asked questions

Is Google Gemini 2.5 Pro or Mistral Mixtral 8x7B more secure?

On Guardion's LLM vulnerability Benchmark, Google Gemini 2.5 Pro is the more secure of the two: Gemini 2.5 Pro scores 16.1% and Mixtral 8x7B scores 38.0% on attack success rate (ASR) (lower is better).

What is the attack success rate (ASR) of Gemini 2.5 Pro vs Mixtral 8x7B?

Gemini 2.5 Pro has a 16.1% ASR and Mixtral 8x7B has a 38.0% ASR — the share of adversarial prompts that succeed across zero-shot, TAP, and Crescendo attacks. Lower is safer.

How were Gemini 2.5 Pro and Mixtral 8x7B 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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