DeepSeek R1 vs Grok 3 Thinking

Compare DeepSeek R1 by DeepSeek against Grok 3 Thinking by xAI, in 4 community votes, deepseek r1 and grok 3 thinking are closely matched, context windows of 128K vs 128K, tested across 14 shared challenges. Updated April 2026.

Which is better, DeepSeek R1 or Grok 3 Thinking?

DeepSeek R1 and Grok 3 Thinking are closely matched based on 4 community votes. Context windows: 128K vs 128K tokens. Compare their real outputs side by side below.

Key Differences Between DeepSeek R1 and Grok 3 Thinking

DeepSeek R1 is made by deepseek while Grok 3 Thinking is from xai. DeepSeek R1 has a 128K token context window compared to Grok 3 Thinking's 128K. In community voting, In 4 community votes, DeepSeek R1 and Grok 3 Thinking are closely matched.

In 4 community votes, DeepSeek R1 and Grok 3 Thinking are closely matched. Based on blind community voting from the Rival open dataset of 4+ human preference judgments for this pair.

Our Verdict
DeepSeek R1
DeepSeek R1
Grok 3 Thinking
Grok 3 Thinking

Genuinely even. Both are strong choices.

Too close to call
Writing DNA

Style Comparison

Similarity
95%

DeepSeek R1 uses 4.3x more emoji

DeepSeek R1
Grok 3 Thinking
62%Vocabulary46%
15wSentence Length19w
0.52Hedging1.11
8.0Bold3.3
5.7Lists2.6
0.04Emoji0.00
0.62Headings0.64
0.28Transitions0.25
Based on 22 + 6 text responses
vs

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DeepSeek R1Grok 3 Thinking

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
Free preview13 of 58 slides
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