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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...
- xAI · x-ai/grok-4-fast
- text+image+file->text · 全球模型路线
- 2,000,000 context · US$0.20 input