What Is xAI? The Company Behind Grok, Now Part of SpaceX
xAI is Elon Musk's AI company and the maker of the Grok chatbot — now absorbed into SpaceX and rebranded SpaceXAI. Here's what it builds, how it got there, and how to try it.
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Grok is the AI chatbot built by xAI, Elon Musk’s AI company, and is closely tied to the X platform. This hub follows Grok’s model releases, capabilities, pricing, and the controversies around it. Expect news and clear explainers on how it compares to ChatGPT, Claude, and Gemini.
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Grok 4.5 Launches Cheaper Than Opus, With Mixed Benchmarks
SpaceXAI released Grok 4.5, its first model trained on Cursor data, priced well below Anthropic's Opus 4.8 — though its own self-reported benchmarks show mixed results against it.
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