Inception: Mercury vs OpenAI o4-mini
Compare Inception: Mercury by Inception against OpenAI o4-mini by OpenAI, tested across 54 shared challenges.
Our Verdict
Inception: Mercury
OpenAI o4-mini
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Too close to call
API pricing
Cost per 1M tokens
Inception: Mercury
Input
$10.00
Output
$10.00
OpenAI o4-mini
Input
$1.10
9.1× cheaper
Output
$4.40
2.3× cheaper
OpenAI o4-mini is cheaper on both — 9.1× input, 2.3× output
Writing DNA
Style Comparison
Similarity
39%
Inception: Mercury uses 489.0x more bold
Inception: Mercury
OpenAI o4-mini
55%Vocabulary73%
40wSentence Length15w
0.39Hedging0.18
4.9Bold0.0
3.8Lists2.1
0.04Emoji0.00
1.04Headings0.00
0.03Transitions0.02
Based on 17 + 10 text responses
Research
What we learned reading every model
FAQ
