On Playstation's game page for GTA Online it says that the free standalone version can be claimed only on PS5 console store. So its not free to claim for everyone from the
Grand Theft Auto V: Premium Edition
Grand Theft Auto V (PlayStation®5) (Simplified Chinese, English, Korean, Traditional Chinese)
Grand Theft Auto Online (PlayStation®5) (Simplified Chinese, English, Korean, Traditional Chinese)
GTAV and GTA Online out today on PS5 – PlayStation.Blog
Grand Theft Auto Online (PlayStation®5) (Simplified Chinese, English, Korean, Traditional Chinese)
Last day to get free $1 million in GTA Online: How to claim and more details
Grand Theft Auto 온라인 (PlayStation®5) (중국어(간체자), 한국어, 영어, 중국어(번체자))
Grand Theft Auto V - PS4 & PS5 Games | PlayStation (Israel)
Grand Theft Auto V: Premium Edition
7 Day PS Plus trial with the free GTA Online standalone PS5 version for players without an active PS Plus subscription. At end of trial, subscription continues automatically unless cancelled. : r/PlayStationPlus
Grand Theft Auto V - PS4 & PS5 Games | PlayStation (Israel)
Grand Theft Auto V: Premium Edition
Grand Theft Auto V: Premium Edition
Grand Theft Auto V - PS4 & PS5 Games | PlayStation (Israel)
Grand Theft Auto Online (PlayStation®5) (Simplified Chinese, English, Korean, Traditional Chinese)
Grand Theft Auto Online (PlayStation®5) (Simplified Chinese, English, Korean, Traditional Chinese)
Grand Theft Auto V (English, Korean, Traditional Chinese)
Grand Theft Auto Online (PlayStation®5) (Simplified Chinese, English, Korean, Traditional Chinese)
Gta 5 Online How To Claim Free 1 Million Dollars Every Month After April 2021 Ps4/Ps5 - YouTube
Grand Theft Auto Online (PlayStation®5) (Simplified Chinese, English, Korean, Traditional Chinese)