DeepSeek R1 0528 vs Gemini 2.5 Flash Preview

Compare DeepSeek R1 0528 by DeepSeek against Gemini 2.5 Flash Preview by Google AI, context windows of 164K vs 1.0M, tested across 26 shared challenges. Updated April 2026.

Which is better, DeepSeek R1 0528 or Gemini 2.5 Flash Preview?

DeepSeek R1 0528 and Gemini 2.5 Flash Preview are both competitive models. DeepSeek R1 0528 costs $0/M input tokens vs $0.15/M for Gemini 2.5 Flash Preview. Context windows: 164K vs 1049K tokens. Compare their real outputs side by side below.

Key Differences Between DeepSeek R1 0528 and Gemini 2.5 Flash Preview

DeepSeek R1 0528 is made by deepseek while Gemini 2.5 Flash Preview is from google. DeepSeek R1 0528 has a 164K token context window compared to Gemini 2.5 Flash Preview's 1049K. On pricing, DeepSeek R1 0528 costs $0/M input tokens vs $0.15/M for Gemini 2.5 Flash Preview.

Our Verdict
DeepSeek R1 0528
DeepSeek R1 0528
Gemini 2.5 Flash Preview
Gemini 2.5 Flash PreviewRunner-up

No community votes yet. On paper, DeepSeek R1 0528 has the edge — bigger model tier, newer.

Too close to call
Writing DNA

Style Comparison

Similarity
99%

Gemini 2.5 Flash Preview uses 23.9x more transitions

DeepSeek R1 0528
Gemini 2.5 Flash Preview
64%Vocabulary51%
10wSentence Length15w
0.30Hedging0.70
6.8Bold4.1
4.9Lists3.3
0.00Emoji0.00
0.40Headings0.09
0.00Transitions0.24
Based on 4 + 12 text responses
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DeepSeek R1 0528Gemini 2.5 Flash Preview

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