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DeepSeek R1 vs Gemini 2.5 Pro Preview 06-05

Compare DeepSeek R1 by DeepSeek against Gemini 2.5 Pro Preview 06-05 by Google AI, context windows of 128K vs 1.0M, tested across 37 shared challenges. Updated April 2026.

Which is better, DeepSeek R1 or Gemini 2.5 Pro Preview 06-05?

DeepSeek R1 and Gemini 2.5 Pro Preview 06-05 are both competitive models. DeepSeek R1 costs $0.55/M input tokens vs $1.25/M for Gemini 2.5 Pro Preview 06-05. Context windows: 128K vs 1049K tokens. Compare their real outputs side by side below.

Key Differences Between DeepSeek R1 and Gemini 2.5 Pro Preview 06-05

DeepSeek R1 is made by deepseek while Gemini 2.5 Pro Preview 06-05 is from google. DeepSeek R1 has a 128K token context window compared to Gemini 2.5 Pro Preview 06-05's 1049K. On pricing, DeepSeek R1 costs $0.55/M input tokens vs $1.25/M for Gemini 2.5 Pro Preview 06-05.

Our Verdict
Gemini 2.5 Pro Preview 06-05
Gemini 2.5 Pro Preview 06-05
DeepSeek R1
DeepSeek R1Runner-up

No community votes yet. On paper, Gemini 2.5 Pro Preview 06-05 has the edge — bigger model tier, newer, bigger context window.

DeepSeek R1 is 4.6x cheaper per token — worth considering if cost matters.

Slight edge
Writing DNA

Style Comparison

Similarity
99%

DeepSeek R1 uses 4.3x more emoji

DeepSeek R1
Gemini 2.5 Pro Preview 06-05
62%Vocabulary51%
15wSentence Length15w
0.52Hedging0.31
8.0Bold4.8
5.7Lists4.1
0.04Emoji0.00
0.62Headings0.98
0.28Transitions0.05
Based on 22 + 20 text responses
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DeepSeek R1Gemini 2.5 Pro Preview 06-05

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