Elon Musk's xAI has filed a lawsuit against Apple and OpenAI, claiming they have unjustly blocked Grok from accessing crucial AI prompt volume data, hindering its competitive standing. Musk criticized Apple's preference for ChatGPT over Grok in app rankings, asserting that his platform deserves more visibility due to its engagement as the #1 news app worldwide. This legal dispute highlights tensions between key AI players amid shifting app store dynamics.