The MiG-1 proved to be a poor start, the MiG-3 was misused and the MiG-5, MiG-7 and MiG-8 "Utka" were effectively research prototypes.
The MiG-1 proved to be a poor start, the MiG-3 went into production but only occasionally could it fight in its intended high-level interceptor role. Further MiG-5, MiG-7 and MiG-8 "Utka" did not progress beyond research prototypes.