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Atlas
/
xAI
/
Grok 4
Grok 4
Active
Tools
Input
$3.00
Output
$15.00
Cached input
$0.75
per 1M tokens
Source ↗
Pricing history
Tier
Unit
Input
Cached input
Output
Effective
Source
Standard
Per 1M tokens
$3.00
$0.75
$15.00
Jan. 11, 2026
Source
Standard
Per 1M tokens
$3.00
—
$15.00
Jan. 10, 2026
Source