Deepseek Deepseek R1 vs Google Gemini 2.5 Pro

Detailed comparison for LLMs

DeepseekGoogle

On Guardion's LLM vulnerability Benchmark, Google Gemini 2.5 Pro is the more secure of the two: Deepseek R1 scores 42.6% and Gemini 2.5 Pro scores 16.1% on attack success rate (ASR) (lower is better).

Head-to-Head Overview

Gemini 2.5 Pro is the overall winner in this comparison!

Attack Success Rate (lower is safer)

ASR for Deepseek Deepseek R1 vs Google Gemini 2.5 Pro. Green marks the safer model on each metric.

Overall (ASR)

Deepseek R1
42.6%
Gemini 2.5 Pro
16.1%

TAP Attack Method (ASR)

Deepseek R1
76.9%
Gemini 2.5 Pro
27.5%

Crescendo Attack Method (ASR)

Deepseek R1
34.8%
Gemini 2.5 Pro
19.1%

Zero-Shot (ASR)

Deepseek R1
16.1%
Gemini 2.5 Pro
1.6%

Key Highlights

  • Google Gemini 2.5 Pro has a lower Overall (ASR).
  • Google Gemini 2.5 Pro has a lower TAP Attack Method (ASR).
  • Google Gemini 2.5 Pro has a lower Crescendo Attack Method (ASR).
  • Google Gemini 2.5 Pro has a lower Zero-Shot (ASR).

Security Profile

Outward is better on every axis.

OverallTAPCrescendoZero-Shot
Deepseek R1
Gemini 2.5 Pro
Full security profile
Deepseek Deepseek R1
Full security profile
Google Gemini 2.5 Pro

Frequently asked questions

Is Deepseek Deepseek R1 or Google Gemini 2.5 Pro more secure?

On Guardion's LLM vulnerability Benchmark, Google Gemini 2.5 Pro is the more secure of the two: Deepseek R1 scores 42.6% and Gemini 2.5 Pro scores 16.1% on attack success rate (ASR) (lower is better).

What is the attack success rate (ASR) of Deepseek R1 vs Gemini 2.5 Pro?

Deepseek R1 has a 42.6% ASR and Gemini 2.5 Pro has a 16.1% ASR — the share of adversarial prompts that succeed across zero-shot, TAP, and Crescendo attacks. Lower is safer.

How were Deepseek R1 and Gemini 2.5 Pro 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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