Mistral Ministral 3 14B Instruct 2512 vs Moonshot AI Kimi K2-Thinking-0905

Detailed comparison for LLMs

MistralMoonshot AI

On Guardion's LLM vulnerability Benchmark, Moonshot AI Kimi K2-Thinking-0905 is the more secure of the two: Ministral 3 14B Instruct 2512 scores 44.0% and Kimi K2-Thinking-0905 scores 38.0% 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

Kimi K2-Thinking-0905 is the overall winner in this comparison!

Attack Success Rate (lower is safer)

ASR for Mistral Ministral 3 14B Instruct 2512 vs Moonshot AI Kimi K2-Thinking-0905. Green marks the safer model on each metric. Only the overall score is available for estimated models.

Overall (ASR)

Ministral 3 14B Instruct 2512
44.0%
Kimi K2-Thinking-0905
38.0%

TAP Attack Method (ASR)

Ministral 3 14B Instruct 2512
100.0%
Kimi K2-Thinking-0905
100.0%

Crescendo Attack Method (ASR)

Ministral 3 14B Instruct 2512
100.0%
Kimi K2-Thinking-0905
100.0%

Zero-Shot (ASR)

Ministral 3 14B Instruct 2512
100.0%
Kimi K2-Thinking-0905
100.0%

Key Highlights

  • Moonshot AI Kimi K2-Thinking-0905 has a lower Overall (ASR).

Security Profile

Outward is better on every axis.

OverallTAPCrescendoZero-Shot
Ministral 3 14B Instruct 2512
Kimi K2-Thinking-0905
Full security profile
Mistral Ministral 3 14B Instruct 2512
Full security profile
Moonshot AI Kimi K2-Thinking-0905

Frequently asked questions

Is Mistral Ministral 3 14B Instruct 2512 or Moonshot AI Kimi K2-Thinking-0905 more secure?

On Guardion's LLM vulnerability Benchmark, Moonshot AI Kimi K2-Thinking-0905 is the more secure of the two: Ministral 3 14B Instruct 2512 scores 44.0% and Kimi K2-Thinking-0905 scores 38.0% 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 Ministral 3 14B Instruct 2512 vs Kimi K2-Thinking-0905?

Ministral 3 14B Instruct 2512 has a 44.0% ASR and Kimi K2-Thinking-0905 has a 38.0% ASR — the share of adversarial prompts that succeed across zero-shot, TAP, and Crescendo attacks. Lower is safer.

How were Ministral 3 14B Instruct 2512 and Kimi K2-Thinking-0905 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.

Related Comparisons