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Home/Models & Labs
Models & Labs

Meta's 'Watermelon' Model Rivals GPT-5.5

The Rundown AI·July 6, 2026·high confidence

Why it matters

  • →Meta's 'Watermelon' model could challenge OpenAI's dominance in AI capabilities.
  • →The model's development reflects Meta's substantial investment in AI research and development.
  • →This progress may lead to significant advancements in AI-driven coding and agent functionalities.
Meta's 'Watermelon' Model Rivals GPT-5.5
©The Rundown AI

Meta is reportedly developing a new AI model named 'Watermelon' that matches the capabilities of OpenAI's GPT-5.5, according to Meta's superintelligence chief Alexandr Wang. The model is still in training and utilizes ten times the compute power of its predecessor, Muse Spark. This advancement is part of Meta's broader strategy to enhance its AI capabilities, backed by a $145 billion investment. While the AI field continues to evolve rapidly, Meta's progress with Watermelon could mark a significant leap in its competitive positioning.

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