Liquid AI just raised $250M Series A at $2.35B valuation from AMD Ventures.

What it is: MIT spinoff building "liquid" neural networks inspired by C. elegans worm brains (302 neurons). Their models use 90% fewer parameters than traditional AI while matching performance.

How it happened:
• 2021: Ramin Hasani published breakthrough liquid neural network research at MIT CSAIL
• 2023: Spun out with co-founders Daniela Rus, Mathias Lechner, Alexander Amini
• 2024: Released text models, announced multimodal capabilities
• Dec 2024: Closed $250M led by AMD for enterprise deployment

Key metric: 100 billion connections in their largest model vs traditional networks requiring 10x more compute.

Takeaway: Academic breakthroughs can become billion-dollar companies when founders focus on real-world efficiency gains over pure performance.

Brewed by Startup Beaker.