GPT-5 vs Inception: Mercury 2
Compare GPT-5 by OpenAI against Inception: Mercury 2 by Inception, context windows of 400K vs 128K, tested across 51 shared challenges.
Our Verdict
GPT-5
Inception: Mercury 2Runner-up
No community votes yet. On paper, GPT-5 has the edge — bigger model tier, bigger context window, major provider backing.
Inception: Mercury 2 is 13x 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
Inception: Mercury 2
Input
$0.25
5.0× cheaper
Output
$0.75
13× cheaper
Inception: Mercury 2 is cheaper on both — 5.0× input, 13× output
Writing DNA
Style Comparison
Similarity
55%
Inception: Mercury 2 uses 8.2x more emoji
GPT-5
Inception: Mercury 2
65%Vocabulary53%
13wSentence Length22w
0.20Hedging0.40
0.2Bold6.6
4.6Lists2.6
0.00Emoji0.08
0.16Headings0.87
0.03Transitions0.14
Based on 16 + 23 text responses
Research
What we learned reading every model
FAQ
