Claude Opus 4.1 vs Inception: Mercury 2
Compare Claude Opus 4.1 by Anthropic against Inception: Mercury 2 by Inception, context windows of 200K vs 128K, tested across 53 shared challenges.
Our Verdict
Claude Opus 4.1
Inception: Mercury 2Runner-up
No community votes yet. On paper, Claude Opus 4.1 has the edge — bigger model tier, bigger context window, major provider backing.
Inception: Mercury 2 is 100x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Claude Opus 4.1
Input
$15.00
Output
$75.00
Inception: Mercury 2
Input
$0.25
60× cheaper
Output
$0.75
100× cheaper
Inception: Mercury 2 is cheaper on both — 60× input, 100× output
Writing DNA
Style Comparison
Similarity
49%
Claude Opus 4.1 uses 4.7x more emoji
Claude Opus 4.1
Inception: Mercury 2
61%Vocabulary53%
87wSentence Length22w
0.54Hedging0.40
5.1Bold6.6
6.7Lists2.6
0.38Emoji0.08
1.68Headings0.87
0.13Transitions0.14
Based on 17 + 23 text responses
Research
What we learned reading every model
FAQ
