Nope it is not...it is only 4th gen or 4+ gen....there are 4,4+,4.5 and then 4++ gen.....
4 Supersonic (limited purpose) (1955–70): F-104, MiG-21, Mirage III 1970 to 1990 : maneuverability : F-14, F-15, F-16, F-18, MiG-29, Su-27, Panavia Tornado, Mirage 2000 look-down/shoot-down : F-15, F-16...