World Models: Joint Embedding Predictive Architecture

This week we unpack a growing split inside the AI world, centred on Yann LeCun — Meta’s AI pioneer who thinks LLMs are a dead end.

Reports suggest he’s preparing to walk, after being quietly sidelined under Meta’s “superintelligence” push and made subordinate to a 28-year-old ex-data-labelling kingpin, Alexander Wang. His alternative is the “world model” approach: systems grounded in physics and perception rather than predictive text.

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