What are the differences between OR and AS?

Question

like exclusive Pokemon?

Answer 1

In OR-
Groudon, Seedot, Kabuto, Mawile, Zangoose, Solrock, Ho-oh, Shieldon, Shellos (West Sea), Palkia, Throh, Archen, Tornadus, Reshiram, Skrelp

In AS-
Kyogre, Lotad ,Omanyte, Sableye, Seviper, Lunatone, Lugia, Cranidos, Shellos (East Sea), Dialga, Sawk,Tirtouga, Thunderus, Zekrom, Clauncher

Source

Answer 2

Omega Ruby Exclusives

Kabuto
Kabutops
Ho-Oh
Seedot
Nuzleaf
Shiftry
Mawhile
Zangoose
Solrock
Groudon
Shieldon
Bastiodon
West-Sea Shellos
West-Sea Gastrodon
Palkia
Throh
Archen
Archeops
Thunderus
Reshiram
Skrelp
Dragagle

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Alpha Sapphire Exclusives

Omanyte
Omaster
Lugia
Lotad
Lombre
Ludicolo
Sabeleye
Seviper
Lunatone
Kyogre
Cranidos
Ramparados
East-Sea Shellos
East Sea Gastrodon
Dialga
Sawk
Tirtuga
Carracosta
Thunderus
Zekrom
Clawncher
Clawziter

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You face against Team Magma in Omega Ruby and Team Aqua In Alpha Sapphire

Source 1 and Source 2