$0.22/$0.55/M
ctx2.0Mmax30Kavail—tps—
InOutCap
Faster version of Grok 4 with 2M token context, designed for enterprise customers with 40% fewer thinking tokens.
grok-4-fast-reasoning
Common Name: Grok 4 Fast
Grok 4 Fast with reasoning mode, using 40% fewer thinking tokens than Grok 4 with 2M token context.
Specifications
Context2,000,000
Maximum Output30,000
Inputtext, image
Outputtext
Performance (7-day Average)
Uptime
TPS
RURT
Pricing
Input$0.22/MTokens
Cached Input$0.06/MTokens
Output$0.55/MTokens
Usage Statistics
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Documentation
No documentation available
This model (grok-4-fast-reasoning) uses a dedicated API. Please refer to the official documentation for usage examples.