Deepseek Deepseek R1 vs Google Gemini 2.0 Flash Thinking

Detailed comparison for LLMs

DeepseekGoogle

On Guardion's LLM vulnerability Benchmark, Google Gemini 2.0 Flash Thinking is the more secure of the two: Deepseek R1 scores 42.6% and Gemini 2.0 Flash Thinking scores 21.5% 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

Gemini 2.0 Flash Thinking is the overall winner in this comparison!

Attack Success Rate (lower is safer)

ASR for Deepseek Deepseek R1 vs Google Gemini 2.0 Flash Thinking. Green marks the safer model on each metric. Only the overall score is available for estimated models.

Overall (ASR)

Deepseek R1
42.6%
Gemini 2.0 Flash Thinking
21.5%

TAP Attack Method (ASR)

Deepseek R1
76.9%
Gemini 2.0 Flash Thinking
100.0%

Crescendo Attack Method (ASR)

Deepseek R1
34.8%
Gemini 2.0 Flash Thinking
100.0%

Zero-Shot (ASR)

Deepseek R1
16.1%
Gemini 2.0 Flash Thinking
100.0%

Key Highlights

  • Google Gemini 2.0 Flash Thinking has a lower Overall (ASR).
  • Deepseek Deepseek R1 has a lower TAP Attack Method (ASR).
  • Deepseek Deepseek R1 has a lower Crescendo Attack Method (ASR).
  • Deepseek Deepseek R1 has a lower Zero-Shot (ASR).

Security Profile

Outward is better on every axis.

OverallTAPCrescendoZero-Shot
Deepseek R1
Gemini 2.0 Flash Thinking
Full security profile
Deepseek Deepseek R1
Full security profile
Google Gemini 2.0 Flash Thinking

Frequently asked questions

Is Deepseek Deepseek R1 or Google Gemini 2.0 Flash Thinking more secure?

On Guardion's LLM vulnerability Benchmark, Google Gemini 2.0 Flash Thinking is the more secure of the two: Deepseek R1 scores 42.6% and Gemini 2.0 Flash Thinking scores 21.5% 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 Gemini 2.0 Flash Thinking?

Deepseek R1 has a 42.6% ASR and Gemini 2.0 Flash Thinking has a 21.5% ASR — the share of adversarial prompts that succeed across zero-shot, TAP, and Crescendo attacks. Lower is safer.

How were Deepseek R1 and Gemini 2.0 Flash Thinking 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.

Related Comparisons