xAI: Grok 4 vs Inception: Mercury
Compare xAI: Grok 4 by xAI against Inception: Mercury by Inception, context windows of 256K vs 32K, tested across 53 shared challenges.
Our Verdict
xAI: Grok 4
Inception: MercuryRunner-up
No community votes yet. On paper, xAI: Grok 4 has the edge — bigger model tier, bigger context window, major provider backing.
Slight edge
API pricing
Cost per 1M tokens
xAI: Grok 4
Input
$3.00
3.3× cheaper
Output
$15.00
Inception: Mercury
Input
$10.00
Output
$10.00
1.5× cheaper
xAI: Grok 4 wins input (3.3× cheaper)·Inception: Mercury wins output (1.5× cheaper)
Writing DNA
Style Comparison
Similarity
58%
Inception: Mercury uses 2.2x more sentence length
xAI: Grok 4
Inception: Mercury
53%Vocabulary55%
18wSentence Length40w
0.67Hedging0.39
2.7Bold4.9
2.7Lists3.8
0.07Emoji0.04
0.86Headings1.04
0.04Transitions0.03
Based on 21 + 17 text responses
Research
What we learned reading every model
FAQ
