Claude Opus 4 vs Inception: Mercury
Compare Claude Opus 4 by Anthropic against Inception: Mercury by Inception, in 2 community votes, claude opus 4 and inception: mercury are closely matched, context windows of 200K vs 32K, tested across 53 shared challenges.
Our Verdict
Claude Opus 4Winner
Inception: MercuryRunner-up
Votes are tied. Claude Opus 4 has a 200K context window vs 32K — handles longer documents.
Inception: Mercury is 7.5x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Claude Opus 4
Input
$15.00
Output
$75.00
Inception: Mercury
Input
$10.00
1.5× cheaper
Output
$10.00
7.5× cheaper
Inception: Mercury is cheaper on both — 1.5× input, 7.5× output
Writing DNA
Style Comparison
Similarity
46%
Claude Opus 4 uses 8.1x more transitions
Claude Opus 4
Inception: Mercury
64%Vocabulary55%
62wSentence Length40w
0.52Hedging0.39
4.4Bold4.9
9.1Lists3.8
0.11Emoji0.04
1.87Headings1.04
0.27Transitions0.03
Based on 16 + 17 text responses
Research
What we learned reading every model
FAQ
