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grok4-fast
openrouterFeatured
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 on xAI's news post. Reasoning can be enabled/disabled using the reasoning enabled parameter in the API. Learn more in our docs
Model Type
chat
Cost
0 tokens / 1_megabitpixiels
Features
Stream
Model Settings
Version
x-ai/grok-4-fast
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