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grok-3-mini-fast

xAI · grok-3-mini-fast

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Specification

xai listing

Context
131K
Max output
131K
Released
Knowledge cutoff
Retires
2026-02-28
Open weights
Input
Output

Price

US dollars per million tokens · xai list price

Input
$1.25
Output
$2.50
Cache read
$0.20

Long-context price tiers

the rate above each context threshold

AbovePrice$/M
200KCache read$0.40
200KInput$2.50
200KOutput$5.00

Available from 3 hosts

HostIn $/MOut $/MCache rdCache wrContextOutputRetires
xaivendor$1.25$2.50$0.20131K131K2026-02-28
oci · oci$0.60$4.00131K131K
vercel_ai_gateway · vercel-ai-gateway$0.60$4.00131K131K

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