x-ai
xAI: Grok 4 Fast
Grok 4 Fast is xAI's latest multimodal model with SOTA cost-efficiency and a 2M token context window. It comes in two flavors: non-reasoning and reasoning. Read more about the model...
Input Cost
$0.20
per 1M tokens
Output Cost
$0.50
per 1M tokens
Context Window
2,000,000
tokens
Developer ID: x-ai/grok-4-fast
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