What is the largest usable kite ever made?

From Wikipedia: The Sparless Stunter, designed by Ted Dougherty. Development began mid-1985 and was available for sale in mid-1988. These parafoil kites were square in shape and had 6 cells. read more

These parafoil kites were square in shape and had 6 cells. In September 1988 a 460-square-foot (43 m²) version was flown at the Ocean City Sunfest breaking the record for the World's Largest Stunt kite. read more

The largest kite ever flown, has a total lifting area of 950 m² (10,225.7 ft²). When laid flat, it has a total area of 1019 m² (10,968.4 ft²). The kite measured 25.475 m (83 ft 7 in) long and 40 m (131ft 3 in) wide. read more

Covering an area of 1,500 square metres when spread out on the ground, it was designed and made by the Heige Kite Team from Tianjin, in central China, in 2013. To get it skywards, it required a mammoth struggle, with more than 30 people helping to bring the octopus into the air. read more