modelbenchmark.io

Grok 4.1 Fast

xAI · grok-4-1-fast

Compare

xAI's fast agentic tool-calling model with a 2M context window; non-reasoning variant for low-latency responses

Specification

most-agreed values

Context
2M
Max output
30K
Released
2025-11-19
Knowledge cutoff
—
Retires
—
Open weights
no
Input
text, image
Output
text

Price

US dollars per million tokens · most-agreed

Input
$0.20
Output
$0.50
Cache read
$0.05

Available from 3 hosts

HostIn $/MOut $/MCache rdCache wrContextOutputRetires
ofox · x-ai$0.20$0.50$0.05—2M30K—
oci · oci$5.00$25.00——131K131K—
qiniu-ai · x-ai————2M2M—

More from xAI

most-hosted first