Yann LeCun left Meta’s AI research division and immediately became the most expensive bet in European startup history. AMI Labs, Advanced Machine Intelligence – closed a $1.03 billion seed round on March 10, 2026, at a reported pre-money valuation of $3.5 billion.
The round was led by Bezos Expeditions, Cathay Innovation, Greycroft, Hiro Capital, and HV Capital. AMI is Paris-based. The $1.03 billion figure is confirmed by multiple independent T2 sources including the Wall Street Journal, TechCrunch, and Reuters. The $3.5 billion valuation is described as “reportedly” by Crunchbase – treat it as a reported figure, not a confirmed one.
This isn’t a Series A dressed up with a larger number. A seed round at this scale signals something specific: investors aren’t funding a product, they’re funding a thesis. LeCun has argued publicly for years that LLMs hit a fundamental ceiling – that they cannot reason about the physical world because they were never trained to model it. AMI’s “world model” architecture is the proposed alternative: AI systems that learn causal structure from physical interaction rather than statistical patterns from text.
What does a $1.03B seed say to the market? That at least five institutional investors, including Jeff Bezos’s personal vehicle, believe the generative AI paradigm has a credible challenger worth backing at platform scale before a single product ships. That’s the signal. Not the amount. The structure.