xAI: Grok 4.5 vs Inception: Mercury
Compare xAI: Grok 4.5 by xAI against Inception: Mercury by Inception, context windows of 500K vs 32K, tested across 54 shared challenges.
Our Verdict
xAI: Grok 4.5
Inception: MercuryRunner-up
No community votes yet. On paper, xAI: Grok 4.5 has the edge — bigger model tier, newer, bigger context window, major provider backing.
Slight edge
API pricing
Cost per 1M tokens
xAI: Grok 4.5
Input
$2.00
5.0× cheaper
Output
$6.00
1.7× cheaper
Inception: Mercury
Input
$10.00
Output
$10.00
xAI: Grok 4.5 is cheaper on both — 5.0× input, 1.7× output
Writing DNA
Style Comparison
Similarity
54%
Inception: Mercury uses 2.5x more sentence length
xAI: Grok 4.5
Inception: Mercury
61%Vocabulary55%
16wSentence Length40w
0.23Hedging0.39
2.5Bold4.9
2.4Lists3.8
0.09Emoji0.04
0.48Headings1.04
0.06Transitions0.03
Based on 27 + 17 text responses
Research
What we learned reading every model
FAQ
