Grok 4 Fast
grok-4-fast
ProprietaryMultimodal
About
Grok 4 Fast is xAI's latest multimodal model with state-of-the-art cost-efficiency and a 2M token context window, optimized for speed and throughput across text and image tasks.
Grok 4 Fast has a 2M-token context window.
Capabilities
VisionMultimodalReasoningFunction CallingTool UseStructured OutputsCode Execution
