Grok 4 Fast (Reasoning)
Grok 4 Fast (Reasoning) is developed by SpaceXAI, released 2025-09-19.
Input price
$0.20 / 1M tok
Output price
$0.50 / 1M tok
Blended price
$0.28 / 1M tok
Intelligence
27.9
Coding
—
Math
89.7
Speed
0 tok/s
Time to first token
0.00s
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