Amazon Nova Premier vs Anthropic Claude 3.7 Sonnet

Detailed comparison for LLMs

AmazonAnthropic

On Guardion's LLM vulnerability Benchmark, Amazon Nova Premier is the more secure of the two: Nova Premier scores 20.0% and Claude 3.7 Sonnet scores 20.3% 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 Anthropic Claude 3.7 Sonnet. Green marks the safer model on each metric. Only the overall score is available for estimated models.

Overall (ASR)

Nova Premier
20.0%
Claude 3.7 Sonnet
20.3%

TAP Attack Method (ASR)

Nova Premier
Claude 3.7 Sonnet
31.4%

Crescendo Attack Method (ASR)

Nova Premier
Claude 3.7 Sonnet
25.3%

Key Highlights

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

Security Profile

Outward is better on every axis.

OverallTAPCrescendo
Nova Premier
Claude 3.7 Sonnet
Full security profile
Amazon Nova Premier
Full security profile
Anthropic Claude 3.7 Sonnet

Frequently asked questions

Is Amazon Nova Premier or Anthropic Claude 3.7 Sonnet more secure?

On Guardion's LLM vulnerability Benchmark, Amazon Nova Premier is the more secure of the two: Nova Premier scores 20.0% and Claude 3.7 Sonnet scores 20.3% 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 Claude 3.7 Sonnet?

Nova Premier has a 20.0% ASR and Claude 3.7 Sonnet has a 20.3% ASR — the share of adversarial prompts that succeed across zero-shot, TAP, and Crescendo attacks. Lower is safer.

How were Nova Premier and Claude 3.7 Sonnet 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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