SpaceX S-1 reveals xAI lost $6.4B in 2025 while training Grok 5 at COLOSSUS II

SpaceX's IPO filing provides the first public look at xAI's financials, revealing the company lost $6.4 billion in 2025 while planning massive Grok expansion. The S-1 shows xAI is training Grok 5 at COLOSSUS II and has a $1.25 billion per month cloud services agreement with Anthropic running through May 2029.

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Introducing Grok Voice Think Fast 1.0 A state-of-the-art voice model built for complex, multi-step workflows with snappy responses and high accuracy. It takes the top spot on the Tau Voice Bench and handles real-world messiness like noise, accents, and interruptions better than any other model in the world. https://t.co/SwdNYRH7Po

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