Anthropic Claude 3.5 Sonnet v1 vs NVIDIA Llama 3.1 Nemotron Ultra 253B v1

Detailed comparison for LLMs

AnthropicNVIDIA

On Guardion's LLM vulnerability Benchmark, Anthropic Claude 3.5 Sonnet v1 is the more secure of the two: Claude 3.5 Sonnet v1 scores 16.0% and Llama 3.1 Nemotron Ultra 253B v1 scores 40.0% 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

Claude 3.5 Sonnet v1 is the overall winner in this comparison!

Attack Success Rate (lower is safer)

ASR for Anthropic Claude 3.5 Sonnet v1 vs NVIDIA Llama 3.1 Nemotron Ultra 253B v1. Green marks the safer model on each metric. Only the overall score is available for estimated models.

Overall (ASR)

Claude 3.5 Sonnet v1
16.0%
Llama 3.1 Nemotron Ultra 253B v1
40.0%

TAP Attack Method (ASR)

Claude 3.5 Sonnet v1
28.4%
Llama 3.1 Nemotron Ultra 253B v1
100.0%

Crescendo Attack Method (ASR)

Claude 3.5 Sonnet v1
19.3%
Llama 3.1 Nemotron Ultra 253B v1
100.0%

Zero-Shot (ASR)

Claude 3.5 Sonnet v1
0.3%
Llama 3.1 Nemotron Ultra 253B v1
100.0%

Key Highlights

  • Anthropic Claude 3.5 Sonnet v1 has a lower Overall (ASR).
  • Anthropic Claude 3.5 Sonnet v1 has a lower TAP Attack Method (ASR).
  • Anthropic Claude 3.5 Sonnet v1 has a lower Crescendo Attack Method (ASR).
  • Anthropic Claude 3.5 Sonnet v1 has a lower Zero-Shot (ASR).

Security Profile

Outward is better on every axis.

OverallTAPCrescendoZero-Shot
Claude 3.5 Sonnet v1
Llama 3.1 Nemotron Ultra 253B v1
Full security profile
Anthropic Claude 3.5 Sonnet v1
Full security profile
NVIDIA Llama 3.1 Nemotron Ultra 253B v1

Frequently asked questions

Is Anthropic Claude 3.5 Sonnet v1 or NVIDIA Llama 3.1 Nemotron Ultra 253B v1 more secure?

On Guardion's LLM vulnerability Benchmark, Anthropic Claude 3.5 Sonnet v1 is the more secure of the two: Claude 3.5 Sonnet v1 scores 16.0% and Llama 3.1 Nemotron Ultra 253B v1 scores 40.0% 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 Claude 3.5 Sonnet v1 vs Llama 3.1 Nemotron Ultra 253B v1?

Claude 3.5 Sonnet v1 has a 16.0% ASR and Llama 3.1 Nemotron Ultra 253B v1 has a 40.0% ASR — the share of adversarial prompts that succeed across zero-shot, TAP, and Crescendo attacks. Lower is safer.

How were Claude 3.5 Sonnet v1 and Llama 3.1 Nemotron Ultra 253B v1 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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