xAI

xAI is an artificial intelligence company announced by Elon Musk in July 2023, with its corporate entity, X.AI Corp., incorporated in Nevada on March 9, 2023. The company operates under a formal data-sharing agreement with X Corp. (formerly Twitter), providing its models with a proprietary pipeline to the platform's live public posts and conversations. Its conversational AI, Grok, launched in November 2023, and the Grok-1 model, a 314-billion-parameter mixture-of-experts architecture, was open-sourced under the Apache License 2.0 on March 17, 2024. A subsequent model, Grok-2, released in August 2024, integrated an image-generation capability via a licensing deal with Black Forest Labs for its FLUX.1 model. In May 2024, the company secured a $6 billion Series B funding round at a $24 billion valuation from investors including Andreessen Horowitz and Sequoia Capital. Its primary computing infrastructure, the 'Colossus' supercomputer cluster of 100,000 NVIDIA H100 GPUs in Memphis, Tennessee, became operational in July 2024. xAI matters now because its exclusive, real-time access to X's data stream provides a structurally distinct training and inference source compared to competitors like OpenAI, Google DeepMind, and Anthropic, directly tying its model performance to the velocity of public discourse.

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