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Meta's Chief AI Scientist Yann LeCun to Leave for Startup

Yann LeCun plans a startup focusing on AI 'world models' that understand physical environments, diverging from Meta's product-driven AI strategy, amid early investor talks.

  • On November 11, 2025, the Financial Times reported Yann LeCun, Meta's chief AI scientist and Turing Award winner, plans to leave Meta Platforms Inc. to start a world models-focused AI startup.
  • After Llama 4 underperformed, Meta CEO Mark Zuckerberg pivoted toward rapid, product-focused LLM development, investing $14.3 billion in Scale AI and appointing Alexandr Wang to lead Meta Superintelligence Labs, with Yann LeCun now reporting to Wang.
  • LeCun has long argued that large language models are a `dead end` for human-like AI and favors world models that simulate cause-and-effect for reasoning and planning.
  • The company cut about 600 AI roles last month, with more than half the original Llama authors leaving and reports saying Fundamental AI Research is fading as Meta prioritizes commercial AI teams.
  • Looking ahead, LeCun says these systems could take about a decade to mature as other labs like Google DeepMind, Nvidia, and World Labs also develop world models while Meta invests over $600 billion.
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The French scientist in artificial intelligence has a start-up project, according to the American press, while Mark Zuckerberg reorganizes all the teams internally.

·Paris, France
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Fox News broke the news in New York, United States on Thursday, June 6, 2024.
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