GPT-5 vs OpenAI: GPT-5.6 Sol
Compare GPT-5 and OpenAI: GPT-5.6 Sol, both from OpenAI, context windows of 400K vs 1.1M, tested across 51 shared challenges.
Our Verdict
OpenAI: GPT-5.6 Sol
GPT-5Runner-up
No community votes yet. On paper, OpenAI: GPT-5.6 Sol has the edge — newer, bigger context window.
GPT-5 is 3.0x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
GPT-5
Input
$1.25
4.0× cheaper
Output
$10.00
3.0× cheaper
OpenAI: GPT-5.6 Sol
Input
$5.00
Output
$30.00
GPT-5 is cheaper on both — 4.0× input, 3.0× output
Writing DNA
Style Comparison
Similarity
61%
OpenAI: GPT-5.6 Sol uses 3.3x more emoji
GPT-5
OpenAI: GPT-5.6 Sol
65%Vocabulary63%
13wSentence Length15w
0.20Hedging0.79
0.2Bold3.4
4.6Lists3.8
0.00Emoji0.03
0.16Headings0.95
0.03Transitions0.08
Based on 16 + 27 text responses
Research
What we learned reading every model
FAQ
