GPT-4o (Omni) vs Mistral Small 4
Compare GPT-4o (Omni) by OpenAI against Mistral Small 4 by Mistral AI, context windows of 128K vs 262K, tested across 53 shared challenges.
Our Verdict
GPT-4o (Omni)
Mistral Small 4
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Mistral Small 4 is 17x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
GPT-4o (Omni)
Input
$2.50
Output
$10.00
Mistral Small 4
Input
$0.15
17× cheaper
Output
$0.60
17× cheaper
Mistral Small 4 is cheaper on both — 17× input, 17× output
Writing DNA
Style Comparison
Similarity
62%
Mistral Small 4 uses 7.6x more emoji
GPT-4o (Omni)
Mistral Small 4
54%Vocabulary50%
18wSentence Length18w
0.72Hedging0.58
7.3Bold9.0
5.6Lists5.6
0.03Emoji0.19
1.40Headings1.10
0.26Transitions0.12
Based on 24 + 23 text responses
Research
What we learned reading every model
FAQ
