Deepseek Deepseek R1 vs Meta Llama 4 Behemoth

Detailed comparison for LLMs

DeepseekMeta

On Guardion's LLM vulnerability Benchmark, Meta Llama 4 Behemoth is the more secure of the two: Deepseek R1 scores 42.6% and Llama 4 Behemoth scores 25.0% 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

Llama 4 Behemoth is the overall winner in this comparison!

Attack Success Rate (lower is safer)

ASR for Deepseek Deepseek R1 vs Meta Llama 4 Behemoth. Green marks the safer model on each metric. Only the overall score is available for estimated models.

Overall (ASR)

Deepseek R1
42.6%
Llama 4 Behemoth
25.0%

TAP Attack Method (ASR)

Deepseek R1
76.9%
Llama 4 Behemoth

Crescendo Attack Method (ASR)

Deepseek R1
34.8%
Llama 4 Behemoth

Zero-Shot (ASR)

Deepseek R1
16.1%
Llama 4 Behemoth

Key Highlights

  • Meta Llama 4 Behemoth has a lower Overall (ASR).

Security Profile

Outward is better on every axis.

OverallTAPCrescendoZero-Shot
Deepseek R1
Llama 4 Behemoth
Full security profile
Deepseek Deepseek R1
Full security profile
Meta Llama 4 Behemoth

Frequently asked questions

Is Deepseek Deepseek R1 or Meta Llama 4 Behemoth more secure?

On Guardion's LLM vulnerability Benchmark, Meta Llama 4 Behemoth is the more secure of the two: Deepseek R1 scores 42.6% and Llama 4 Behemoth scores 25.0% 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 Deepseek R1 vs Llama 4 Behemoth?

Deepseek R1 has a 42.6% ASR and Llama 4 Behemoth has a 25.0% ASR — the share of adversarial prompts that succeed across zero-shot, TAP, and Crescendo attacks. Lower is safer.

How were Deepseek R1 and Llama 4 Behemoth 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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