SpaceX S-1: xAI had a $6.4B operating loss on $3.2B in revenue in 2025; Grok and X had 550M MAUs combined as of March 2026, and 117M used Grok's AI features (Rebecca Bellan/TechCrunch)

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Rebecca Bellan / TechCrunch: SpaceX S-1: xAI had a $6.4B operating loss on $3.2B in revenue in 2025; Grok and X had 550M MAUs combined as of March 2026, and 117M used Grok's AI features - Elon Musk's xAI lost $6.4B from operations on just $3.2B in revenue in 2025, according to SpaceX's IPO filings.