GPT-4.5 vs Mistral Large 2
Compare GPT-4.5 by OpenAI against Mistral Large 2 by Mistral AI, in 1 community votes, gpt-4.5 wins 100% of head-to-head duels, context windows of 128K vs 128K, tested across 10 shared challenges. Updated April 2026.
Which is better, GPT-4.5 or Mistral Large 2?
GPT-4.5 is the better choice overall, winning 100% of 1 blind community votes on Rival. GPT-4.5 costs $75/M input tokens vs $8/M for Mistral Large 2. Context windows: 128K vs 128K tokens. Compare their real outputs side by side below.
Key Differences Between GPT-4.5 and Mistral Large 2
GPT-4.5 is made by openai while Mistral Large 2 is from mistral. GPT-4.5 has a 128K token context window compared to Mistral Large 2's 128K. On pricing, GPT-4.5 costs $75/M input tokens vs $8/M for Mistral Large 2. In community voting, In 1 community votes, GPT-4.5 wins 100% of head-to-head duels.
In 1 community votes, GPT-4.5 wins 100% of head-to-head duels. Based on blind community voting from the Rival open dataset of 1+ human preference judgments for this pair.
Our Verdict
GPT-4.5Winner
Mistral Large 2Runner-up
Pick GPT-4.5. In 1 blind votes, GPT-4.5 wins 100% of the time. That's not luck.
Mistral Large 2 is 6.3x cheaper per token — worth considering if cost matters.
Clear winner
Writing DNA
Style Comparison
Similarity
99%
Mistral Large 2 uses 79.6x more emoji
GPT-4.5
Mistral Large 2
63%Vocabulary43%
16wSentence Length21w
0.57Hedging0.39
4.7Bold14.4
6.4Lists7.4
0.00Emoji0.80
1.30Headings1.41
0.54Transitions0.01
Based on 11 + 10 text responses
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279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
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