Mistral Mistral Large 3 675B Instruct 2512 Eagle vs xAI Grok-4 Fast Non-Reasoning

Detailed comparison for LLMs

MistralxAI

Mistral Mistral Large 3 675B Instruct 2512 Eagle and xAI Grok-4 Fast Non-Reasoning are evenly matched at about 33.0% attack success rate (ASR) on Guardion's LLM vulnerability Benchmark. One or both scores are estimated from public safety evaluations pending a Guardion benchmark run.

Head-to-Head Overview

It's a close match between Mistral Large 3 675B Instruct 2512 Eagle and Grok-4 Fast Non-Reasoning!

Attack Success Rate (lower is safer)

ASR for Mistral Mistral Large 3 675B Instruct 2512 Eagle vs xAI Grok-4 Fast Non-Reasoning. Green marks the safer model on each metric. Only the overall score is available for estimated models.

Overall (ASR)

Mistral Large 3 675B Instruct 2512 Eagle
33.0%
Grok-4 Fast Non-Reasoning
33.0%

TAP Attack Method (ASR)

Mistral Large 3 675B Instruct 2512 Eagle
100.0%
Grok-4 Fast Non-Reasoning
100.0%

Crescendo Attack Method (ASR)

Mistral Large 3 675B Instruct 2512 Eagle
100.0%
Grok-4 Fast Non-Reasoning
100.0%

Zero-Shot (ASR)

Mistral Large 3 675B Instruct 2512 Eagle
100.0%
Grok-4 Fast Non-Reasoning
100.0%

Key Highlights

No specific highlights generated for this comparison.

Security Profile

Outward is better on every axis.

OverallTAPCrescendoZero-Shot
Mistral Large 3 675B Instruct 2512 Eagle
Grok-4 Fast Non-Reasoning
Full security profile
Mistral Mistral Large 3 675B Instruct 2512 Eagle
Full security profile
xAI Grok-4 Fast Non-Reasoning

Frequently asked questions

Is Mistral Mistral Large 3 675B Instruct 2512 Eagle or xAI Grok-4 Fast Non-Reasoning more secure?

Mistral Mistral Large 3 675B Instruct 2512 Eagle and xAI Grok-4 Fast Non-Reasoning are evenly matched at about 33.0% attack success rate (ASR) on Guardion's LLM vulnerability Benchmark. One or both scores are estimated from public safety evaluations pending a Guardion benchmark run.

What is the attack success rate (ASR) of Mistral Large 3 675B Instruct 2512 Eagle vs Grok-4 Fast Non-Reasoning?

Mistral Large 3 675B Instruct 2512 Eagle has a 33.0% ASR and Grok-4 Fast Non-Reasoning has a 33.0% ASR — the share of adversarial prompts that succeed across zero-shot, TAP, and Crescendo attacks. Lower is safer.

How were Mistral Large 3 675B Instruct 2512 Eagle and Grok-4 Fast Non-Reasoning 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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