★ Featured Guide · Guide
Grok is now a SpaceX product. xAI was acquired in February 2026, became SpaceXAI in July, and was renamed SpaceX SI in October — while the legal entity on your invoice stays SpaceXAI LLC. This is the index to every Grok guide, pricing breakdown, voice walkthrough, agent tutorial and comparison we have published.
Oct 18, 2026
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6 min read