v3.25.1
Cover
May 23, 2025
Cover [Abstract]  
Document Type 8-K
Document Period End Date May 23, 2025
Entity Registrant Name GRI BIO, INC.
Entity Incorporation, State or Country Code DE
Entity File Number 001-40034
Entity Tax Identification Number 82-4369909
Entity Address, Address Line One 2223 Avenida de la Playa
Entity Address, Address Line Two #208
Entity Address, City or Town La Jolla
Entity Address, State or Province CA
Entity Address, Postal Zip Code 92037
City Area Code 619
Local Phone Number 400-1170
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, par value $0.0001 per share
Trading Symbol GRI
Entity Emerging Growth Company true
Entity Ex Transition Period false
Entity Central Index Key 0001824293
Amendment Flag false