Today's best AI models learn by reading a huge chunk of the internet. Flapping Airplanes wants to build AI that learns from far less, and investors just handed the year-old research lab $1 billion to try.
The Series A, announced on October 21, was co-led by Index Ventures and Lux Capital, with Sequoia, GV and Kleiner Perkins also joining. It reportedly values the company at $6 billion, roughly four times its value in January, when it launched with a $180 million seed round.
What they've actually built so far
Founded in late 2025 by a young team that includes brothers Asher and Ben Spector, the lab spent most of its first year on software that sits close to the chips. Its "megakernel" framework runs an entire workload on a GPU as one program, so the hardware wastes less time switching between steps. The company says this lets a single setup train a model, serve it and even play a video game at the same time.
A $6B company with no product yet
Flapping Airplanes has no product and no revenue. Investors aren't paying for what it sells today. They're betting that demand for AI will outrun the supply of chips and training data, and that whoever makes AI far more efficient will hold one of the most valuable keys in tech.
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