DeepSeek V3.1 vs Mistral Large 2

Compare DeepSeek V3.1 by DeepSeek against Mistral Large 2 by Mistral AI, context windows of 164K vs 128K, tested across 18 shared challenges. Updated April 2026.

Which is better, DeepSeek V3.1 or Mistral Large 2?

DeepSeek V3.1 and Mistral Large 2 are both competitive models. DeepSeek V3.1 costs $0.2/M input tokens vs $8/M for Mistral Large 2. Context windows: 164K vs 128K tokens. Compare their real outputs side by side below.

Key Differences Between DeepSeek V3.1 and Mistral Large 2

DeepSeek V3.1 is made by deepseek while Mistral Large 2 is from mistral. DeepSeek V3.1 has a 164K token context window compared to Mistral Large 2's 128K. On pricing, DeepSeek V3.1 costs $0.2/M input tokens vs $8/M for Mistral Large 2.

Our Verdict
DeepSeek V3.1
DeepSeek V3.1
Mistral Large 2
Mistral Large 2Runner-up

No community votes yet. On paper, DeepSeek V3.1 has the edge — bigger model tier, newer, major provider backing.

DeepSeek V3.1 is 30x cheaper per token — worth considering if cost matters.

Slight edge
Writing DNA

Style Comparison

Similarity
94%

Mistral Large 2 uses 33.9x more emoji

DeepSeek V3.1
Mistral Large 2
53%Vocabulary43%
14wSentence Length21w
0.42Hedging0.39
4.0Bold14.4
3.6Lists7.4
0.02Emoji0.80
0.40Headings1.41
0.22Transitions0.01
Based on 23 + 10 text responses
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DeepSeek V3.1Mistral Large 2

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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