DeepSeek R1 0528 vs GPT-4

Compare DeepSeek R1 0528 by DeepSeek against GPT-4 by OpenAI, context windows of 164K vs 8K, tested across 21 shared challenges. Updated April 2026.

Which is better, DeepSeek R1 0528 or GPT-4?

DeepSeek R1 0528 and GPT-4 are both competitive models. DeepSeek R1 0528 costs $0/M input tokens vs $30/M for GPT-4. Context windows: 164K vs 8K tokens. Compare their real outputs side by side below.

Key Differences Between DeepSeek R1 0528 and GPT-4

DeepSeek R1 0528 is made by deepseek while GPT-4 is from openai. DeepSeek R1 0528 has a 164K token context window compared to GPT-4's 8K. On pricing, DeepSeek R1 0528 costs $0/M input tokens vs $30/M for GPT-4.

Our Verdict
DeepSeek R1 0528
DeepSeek R1 0528
GPT-4
GPT-4Runner-up

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

Too close to call
Writing DNA

Style Comparison

Similarity
98%

DeepSeek R1 0528 uses 40.2x more headings

DeepSeek R1 0528
GPT-4
64%Vocabulary59%
10wSentence Length18w
0.30Hedging1.10
6.8Bold0.8
4.9Lists2.5
0.00Emoji0.00
0.40Headings0.00
0.00Transitions0.45
Based on 4 + 15 text responses
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DeepSeek R1 0528GPT-4

279 AI models invented the same fake scientist.

We read every word. 250 models. 2.14 million words. This is what we found.

AI Hallucination Index 2026
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