Musk's xAI Unleashes Free Grok 4 AI Model, Challenges OpenAI's GPT-5

Aug 12, 2025
SiliconANGLE
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Summary

Elon Musk's xAI unleashes its free Grok 4 AI model and Grok Imagine AI image-to-video tool, challenging OpenAI's GPT-5 amid growing backlash.

Key Points

  • Elon Musk's xAI opens free access to its Grok 4 AI model with usage limits
  • xAI also makes its Grok Imagine AI image-to-video tool free for US users temporarily
  • The move comes as backlash grows against OpenAI's GPT-5 model, offering an alternative

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