Grok 4 Fast
by xAI — Price updated 2026-04-04
Pricing ($/1M tokens)
Input
$0.20
Output
$0.50
Cache Read
$0.05
Web Search
$0.0050
Specifications
Context Window
2,000,000
Max Output
30,000
Input
text, image, file
Output
text
Tool Calling
Reasoning
Structured Output