GPT-5 vs Mistral Small 4
Compare GPT-5 by OpenAI against Mistral Small 4 by Mistral AI, context windows of 400K vs 262K, tested across 51 shared challenges.
Our Verdict
GPT-5
Mistral Small 4Runner-up
No community votes yet. On paper, GPT-5 has the edge — bigger model tier, bigger context window, major provider backing.
Mistral Small 4 is 17x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
GPT-5
Input
$1.25
Output
$10.00
Mistral Small 4
Input
$0.15
8.3× cheaper
Output
$0.60
17× cheaper
Mistral Small 4 is cheaper on both — 8.3× input, 17× output
Writing DNA
Style Comparison
Similarity
29%
Mistral Small 4 uses 19.0x more emoji
GPT-5
Mistral Small 4
65%Vocabulary50%
13wSentence Length18w
0.20Hedging0.58
0.2Bold9.0
4.6Lists5.6
0.00Emoji0.19
0.16Headings1.10
0.03Transitions0.12
Based on 16 + 23 text responses
Research
What we learned reading every model
FAQ
