OpenAI: GPT-5.6 Sol vs Inception: Mercury 2
Compare OpenAI: GPT-5.6 Sol by OpenAI against Inception: Mercury 2 by Inception, context windows of 1.1M vs 128K, tested across 53 shared challenges.
Our Verdict
OpenAI: GPT-5.6 Sol
Inception: Mercury 2Runner-up
No community votes yet. On paper, OpenAI: GPT-5.6 Sol has the edge — bigger model tier, newer, bigger context window, major provider backing.
Inception: Mercury 2 is 40x 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
Inception: Mercury 2
Input
$0.25
20× cheaper
Output
$0.75
40× cheaper
Inception: Mercury 2 is cheaper on both — 20× input, 40× output
Writing DNA
Style Comparison
Similarity
55%
Inception: Mercury 2 uses 2.5x more emoji
OpenAI: GPT-5.6 Sol
Inception: Mercury 2
63%Vocabulary53%
15wSentence Length22w
0.79Hedging0.40
3.4Bold6.6
3.8Lists2.6
0.03Emoji0.08
0.95Headings0.87
0.08Transitions0.14
Based on 27 + 23 text responses
Research
What we learned reading every model
FAQ
