GPT-5 vs OpenAI o4 Mini High
Compare GPT-5 and OpenAI o4 Mini High, both from OpenAI, context windows of 400K vs 200K, tested across 52 shared challenges.
Our Verdict
GPT-5
OpenAI o4 Mini HighRunner-up
No community votes yet. On paper, GPT-5 has the edge — bigger model tier, newer, bigger context window.
Slight edge
API pricing
Cost per 1M tokens
GPT-5
Input
$1.25
Output
$10.00
OpenAI o4 Mini High
Input
$1.10
1.1× cheaper
Output
$4.40
2.3× cheaper
OpenAI o4 Mini High is cheaper on both — 1.1× input, 2.3× output
Writing DNA
Style Comparison
Similarity
63%
GPT-5 uses 18.9x more bold
GPT-5
OpenAI o4 Mini High
65%Vocabulary70%
13wSentence Length18w
0.20Hedging0.33
0.2Bold0.0
4.6Lists1.3
0.00Emoji0.02
0.16Headings0.00
0.03Transitions0.04
Based on 16 + 14 text responses
Research
What we learned reading every model
FAQ
