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
Related tools
3
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About xAI
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xAI is an artificial intelligence startup founded by Elon Musk, aiming to understand the universe.
Tools using Grok 4 Fast
25