tech
December 19, 2025
Yann LeCun confirms his new 'world model' startup, reportedly seeks $5B+ valuation
Renowned AI scientist Yann LeCun confirmed on Thursday the worst-kept secret in the tech world: that he had indeed launched a new startup. Although he did say he will not be running the new company as its CEO.
TL;DR
- Yann LeCun has launched a new startup called Advanced Machine Intelligence (AMI).
- Alex LeBrun, formerly CEO of Nabla, has been appointed CEO of AMI.
- AMI is reportedly seeking to raise €500 million ($586 million) at a €3 billion ($3.5 billion) valuation.
- The startup will focus on developing world model AI, an alternative to LLMs.
- World model AI aims to simulate understanding of the environment to predict outcomes and address LLM hallucination problems.
- Other major players like Google DeepMind and Fei-Fei Li's World Labs are also developing world models.
- Nabla, LeBrun's previous company, will partner with AMI to use its models.
- Alex LeBrun has a background in building AI, including work on Siri's early technology and leading Facebook's AI division.
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