GPT-4.5 vs Inception: Mercury 2
Compare GPT-4.5 by OpenAI against Inception: Mercury 2 by Inception, context windows of 128K vs 128K, tested across 24 shared challenges.
Our Verdict
GPT-4.5
Inception: Mercury 2Runner-up
No community votes yet. On paper, GPT-4.5 has the edge — bigger model tier, major provider backing.
Inception: Mercury 2 is 200x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
GPT-4.5
Input
$75.00
Output
$150.00
Inception: Mercury 2
Input
$0.25
300× cheaper
Output
$0.75
200× cheaper
Inception: Mercury 2 is cheaper on both — 300× input, 200× output
Writing DNA
Style Comparison
Similarity
50%
Inception: Mercury 2 uses 8.2x more emoji
GPT-4.5
Inception: Mercury 2
63%Vocabulary53%
16wSentence Length22w
0.57Hedging0.40
4.7Bold6.6
6.4Lists2.6
0.00Emoji0.08
1.30Headings0.87
0.54Transitions0.14
Based on 11 + 23 text responses
Research
What we learned reading every model
FAQ
