Articles from x.ai

Articles from x.ai

xAI raised a $20B Series E, exceeding the $15B targeted round size, with participation from Valor, Nvidia, and others, and says Grok 5 is currently in training (x.ai)
6 days ago Nvidia

xAI unveils Grok 4.1, saying it's 3x less likely to hallucinate compared to its previous models and Grok 4.1 Thinking holds the top spot on LMArena's Text Arena (x.ai)
2025-11-18

xAI launches Grok 4 Fast, a multimodal model with a 2M context window and a unified architecture that combines reasoning and non-reasoning modes (x.ai)
2025-9-20

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