Anthropic Claude 3.5 Sonnet v1 vs Meta Llama 3H 405B

Detailed comparison for LLMs

AnthropicMeta

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 3H 405B scores 36.6% on attack success rate (ASR) (lower is better).

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 Meta Llama 3H 405B. Green marks the safer model on each metric.

Overall (ASR)

Claude 3.5 Sonnet v1
16.0%
Llama 3H 405B
36.6%

TAP Attack Method (ASR)

Claude 3.5 Sonnet v1
28.4%
Llama 3H 405B

Crescendo Attack Method (ASR)

Claude 3.5 Sonnet v1
19.3%
Llama 3H 405B

Zero-Shot (ASR)

Claude 3.5 Sonnet v1
0.3%
Llama 3H 405B
12.9%

Key Highlights

  • Anthropic Claude 3.5 Sonnet v1 has a lower Overall (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 3H 405B
Full security profile
Anthropic Claude 3.5 Sonnet v1
Full security profile
Meta Llama 3H 405B

Frequently asked questions

Is Anthropic Claude 3.5 Sonnet v1 or Meta Llama 3H 405B 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 3H 405B scores 36.6% on attack success rate (ASR) (lower is better).

What is the attack success rate (ASR) of Claude 3.5 Sonnet v1 vs Llama 3H 405B?

Claude 3.5 Sonnet v1 has a 16.0% ASR and Llama 3H 405B has a 36.6% 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 3H 405B 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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