Amazon Nova Premier vs Mistral Mistral NeMo Instruct

Detailed comparison for LLMs

AmazonMistral

On Guardion's LLM vulnerability Benchmark, Amazon Nova Premier is the more secure of the two: Nova Premier scores 20.0% 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

Nova Premier is the overall winner in this comparison!

Attack Success Rate (lower is safer)

ASR for Amazon Nova Premier vs Mistral Mistral NeMo Instruct. Green marks the safer model on each metric. Only the overall score is available for estimated models.

Overall (ASR)

Nova Premier
20.0%
Mistral NeMo Instruct
50.0%

TAP Attack Method (ASR)

Nova Premier
Mistral NeMo Instruct
100.0%

Crescendo Attack Method (ASR)

Nova Premier
Mistral NeMo Instruct
100.0%

Zero-Shot (ASR)

Nova Premier
Mistral NeMo Instruct
100.0%

Key Highlights

  • Amazon Nova Premier has a lower Overall (ASR).

Security Profile

Outward is better on every axis.

OverallTAPCrescendoZero-Shot
Nova Premier
Mistral NeMo Instruct
Full security profile
Amazon Nova Premier
Full security profile
Mistral Mistral NeMo Instruct

Frequently asked questions

Is Amazon Nova Premier or Mistral Mistral NeMo Instruct more secure?

On Guardion's LLM vulnerability Benchmark, Amazon Nova Premier is the more secure of the two: Nova Premier scores 20.0% 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 Nova Premier vs Mistral NeMo Instruct?

Nova Premier has a 20.0% 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 Nova Premier 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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