GPT-4.1 Mini vs Mistral Medium 3

Compare GPT-4.1 Mini by OpenAI against Mistral Medium 3 by Mistral AI, context windows of 1.0M vs 131K, tested across 27 shared challenges. Updated April 2026.

Which is better, GPT-4.1 Mini or Mistral Medium 3?

GPT-4.1 Mini and Mistral Medium 3 are both competitive models. GPT-4.1 Mini costs $0.4/M input tokens vs $0.4/M for Mistral Medium 3. Context windows: 1048K vs 131K tokens. Compare their real outputs side by side below.

Key Differences Between GPT-4.1 Mini and Mistral Medium 3

GPT-4.1 Mini is made by openai while Mistral Medium 3 is from mistral. GPT-4.1 Mini has a 1048K token context window compared to Mistral Medium 3's 131K. On pricing, GPT-4.1 Mini costs $0.4/M input tokens vs $0.4/M for Mistral Medium 3.

Our Verdict
GPT-4.1 Mini
GPT-4.1 Mini
Mistral Medium 3
Mistral Medium 3

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

Too close to call
Writing DNA

Style Comparison

Similarity
98%

Mistral Medium 3 uses 6.0x more emoji

GPT-4.1 Mini
Mistral Medium 3
59%Vocabulary57%
19wSentence Length17w
0.46Hedging0.73
4.7Bold8.6
4.9Lists6.5
0.00Emoji0.06
0.76Headings1.18
0.17Transitions0.15
Based on 23 + 15 text responses
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GPT-4.1 MiniMistral Medium 3

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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