AN 225 is biiger then Airbus A380. Airbus A380 is smaller then AN 225
AN 225 has maximum take off weight of 640 tonnes Airbus A380 has maximum take off weight of 560 tonnes
An 225 made its first flight in 1988. Airbus A380 made its first flight in 2005
AN 225 can pull through air or carry external load upto 200 tonnes Airbus A380 has a weak airframe & can not even pull through air or carry any external payload
The An-225 Mriya (Ukrainian: AH-225, NATO reporting name: Cossack) is a strategic airlift transport aircraft which was built by the Antonov Design Bureau, and is the largest, heaviest flying airplane ever built with maximum gross takeoff weight. The design, built to transport the Buran orbiter, was an enlargement of the successful An-124 Ruslan. Mriya (MPIR) means "Dream" (Inspiration) in Ukrainian.
With a maximum gross weight of 640 tonnes (1,411,000 lb), the An-225 is the world's heaviest and largest aircraft, making its first flight in 1988. The An-225 the largest aircraft in the world to take off multiple times. The An-225 is also larger than the Airbus A380 airliner. The Airbus A380 made its maiden flight in 2005, maximum take off weight of Airbus A380 is only 560 tonnes (1,235,000 lb).