Sail Research emerged from stealth June 25, 2026 with 450M valuation. Kleiner Perkins led Series A; Sequoia led Seed. Founders Neil Movva (ex-Apple, NVIDIA, Together AI) and Samir Menon (ex-Apple) build throughput-optimized inference (up to 10x lower cost per token) and Sailboxes—stateful sandboxes running for days. Customers include Parallel Web Systems and Detail.dev. Platform launched March 2026; processing trillions of tokens weekly.