grok-4-fast

Common Name: Grok 4 Fast

X-AI
Released on Oct 13, 2025 12:00 AMKnowledge Cutoff Jul 1, 2025 12:00 AMSupportedTool InvocationSupportedReasoning
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Faster version of Grok 4 with 2M token context, designed for enterprise customers with 40% fewer thinking tokens.

Specifications

Context
2000K
Maximum Output
30K
Inputtext, image
Outputtext

Performance (7-day Average)

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Pricing

Input$0.22/MTokens
Cached Input$0.06/MTokens
Output$0.55/MTokens

Availability Trend (24h)

Performance Metrics (24h)

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