Grok 4vsMercury
Grok 4 is cheaper than Mercury at $3/M vs $10/M input tokens.
| Spec | Grok 4 | Mercury |
|---|---|---|
| Input price | $3/M tokens | $10/M tokens |
| Output price | $15/M tokens | $10/M tokens |
| Context window | 256K tokens | 32K tokens |
| Parameters | Not disclosed | Not disclosed |
| Free API (OpenRouter) | No | No |
| Released | Jul 2025 | Jun 2025 |
Our Verdict
Grok 4
MercuryRunner-up
Not enough votes to call it. On the specs, Grok 4 has the edge: bigger model tier, bigger context window, major provider backing.
Slight edge
API pricing
Cost per 1M tokens
Grok 4
Input
$3.00
3.3× cheaper
Output
$15.00
Mercury
Input
$10.00
Output
$10.00
1.5× cheaper
Grok 4 wins input (3.3× cheaper)·Mercury wins output (1.5× cheaper)
Writing DNA
Style Comparison
Similarity
59%
Grok 4 uses 21.5x more emoji
Grok 4
Mercury
56%Vocabulary60%
18wSentence Length31w
0.65Hedging0.78
2.4Bold4.1
2.4Lists2.8
0.60Emoji0.03
0.73Headings0.88
0.06Transitions0.06
Based on 26 + 26 text responses
Research
What we learned reading every model
FAQ
