Every unmanned coffee machine is a bet on one of three technology routes. This paper decides, with numbers, which route earns its place where.
Highest cup value and price premium, but highest maintenance (grinder cleaning, bean freshness, chute clogs). Wins in premium lobbies and offices where the RMB 2-3 premium is accepted and footfall justifies the service cost.
Lower cup ceiling but near-zero maintenance and instant dispense. Wins in transit and high-velocity retail where speed and uptime trump connoisseur quality. The trade is a narrower margin per cup offset by volume.
Lowest capex and simplest supply chain, but the cup is the weakest. Survives only where price is the only lever (price-sensitive campuses, staff break rooms) and where a 'coffee-like' option satisfies demand.
Leading operators run fresh-grind as the hero and RTD as the fallback when the grinder is in cleaning cycle. The hybrid lifts uptime without sacrificing the premium cup the location was bought for.
No route is universally right. Buy fresh-grind where premium is accepted, RTD where uptime rules, instant where price is everything; and design the hero-fallback hybrid so a cleaning cycle never means a lost sale.