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x-AI/Grok-4-Fast

xAI · grok-4-fast

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Fast Grok model for responsive chat, reasoning, and tool-assisted work

Specification

most-agreed values

Context
2M
Max output
2M
Released
2025-09-20
Knowledge cutoff
—
Retires
—
Open weights
no
Input
text, image, audio, video
Output
text

Price

US dollars per million tokens · most-agreed

Input
$5.00
Output
$25.00

Available from 2 hosts

HostIn $/MOut $/MCache rdCache wrContextOutputRetires
oci · oci$5.00$25.00——131K131K—
qiniu-ai · x-ai————2M2M—

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