Deepseek Deepseek V3 vs Meta Llama 3H 405B

Detailed comparison for LLMs

DeepseekMeta

On Guardion's LLM vulnerability Benchmark, Meta Llama 3H 405B is the more secure of the two: Deepseek V3 scores 47.2% and Llama 3H 405B scores 36.6% on attack success rate (ASR) (lower is better).

Head-to-Head Overview

Llama 3H 405B is the overall winner in this comparison!

Attack Success Rate (lower is safer)

ASR for Deepseek Deepseek V3 vs Meta Llama 3H 405B. Green marks the safer model on each metric.

Overall (ASR)

Deepseek V3
47.2%
Llama 3H 405B
36.6%

TAP Attack Method (ASR)

Deepseek V3
79.5%
Llama 3H 405B

Crescendo Attack Method (ASR)

Deepseek V3
49.3%
Llama 3H 405B

Zero-Shot (ASR)

Deepseek V3
12.8%
Llama 3H 405B
12.9%

Key Highlights

  • Meta Llama 3H 405B has a lower Overall (ASR).
  • Deepseek Deepseek V3 has a lower Zero-Shot (ASR).

Security Profile

Outward is better on every axis.

OverallTAPCrescendoZero-Shot
Deepseek V3
Llama 3H 405B
Full security profile
Deepseek Deepseek V3
Full security profile
Meta Llama 3H 405B

Frequently asked questions

Is Deepseek Deepseek V3 or Meta Llama 3H 405B more secure?

On Guardion's LLM vulnerability Benchmark, Meta Llama 3H 405B is the more secure of the two: Deepseek V3 scores 47.2% and Llama 3H 405B scores 36.6% on attack success rate (ASR) (lower is better).

What is the attack success rate (ASR) of Deepseek V3 vs Llama 3H 405B?

Deepseek V3 has a 47.2% 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 Deepseek V3 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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