FA
Flapping Airplanes
United States · AI
AI research company developing more efficient model training, GPU execution and inference.
Product
Flapping Airplanes develops AI systems designed to learn and run more efficiently. Its work spans GPU kernels, model training and inference, allowing improvements at one layer to inform the others.
Founded by Ben Spector, Asher Spector and Aidan Smith, the company works in San Francisco. Index Ventures backed its seed financing and co-led its $1 billion Series A in October 2026.
Funding history
2 rounds · 2 with disclosed amounts| Announced | Round | Amount | Investors |
|---|---|---|---|
| Series A | $1B | Index Ventures — LeadLux Capital — Lead | |
| Seed | $180M | GV (Google Ventures) — LeadSequoia Capital — LeadIndex Ventures — Role not disclosed |