# The Openness Paradox: Why the Man Who Built Closed Systems Is Suing for Open AI

- slug: the-openness-paradox-why-the-man-who-built-closed-systems-is-suing-for-open-ai
- date: 2026-04-26
- category: Artificial Intelligence

Musk's xAI has an $850 billion to $1.25 trillion IPO riding on a legal definition of 'open.' His own Grok model is not open source.

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