Multimodal model

Grok 4 Fast

Grok 4 Fast is xAI’s optimized variant of the Grok 4 family. It delivers the same reasoning backbone as Grok 4 Heavy but tuned for speed and efficiency, with lower latency and cost. It’s designed for high-throughput applications, real-time assistants, and workloads where responsiveness matters more than maximum depth.

Type
Multimodal
Weights
Closed

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About xAI

1

xAI is an artificial intelligence startup founded by Elon Musk, aiming to understand the universe.

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