OpenAI: GPT-5.6 Sol vs OpenAI o4 Mini High
Compare OpenAI: GPT-5.6 Sol and OpenAI o4 Mini High, both from OpenAI, context windows of 1.1M vs 200K, tested across 53 shared challenges.
Our Verdict
OpenAI: GPT-5.6 Sol
OpenAI o4 Mini HighRunner-up
No community votes yet. On paper, OpenAI: GPT-5.6 Sol has the edge — bigger model tier, newer, bigger context window.
OpenAI o4 Mini High is 6.8x cheaper per token — worth considering if cost matters.
Slight edge
API pricing
Cost per 1M tokens
OpenAI: GPT-5.6 Sol
Input
$5.00
Output
$30.00
OpenAI o4 Mini High
Input
$1.10
4.5× cheaper
Output
$4.40
6.8× cheaper
OpenAI o4 Mini High is cheaper on both — 4.5× input, 6.8× output
Writing DNA
Style Comparison
Similarity
58%
OpenAI: GPT-5.6 Sol uses 342.6x more bold
OpenAI: GPT-5.6 Sol
OpenAI o4 Mini High
63%Vocabulary70%
15wSentence Length18w
0.79Hedging0.33
3.4Bold0.0
3.8Lists1.3
0.03Emoji0.02
0.95Headings0.00
0.08Transitions0.04
Based on 27 + 14 text responses
Research
What we learned reading every model
FAQ
