Cover Page - shares	9 Months Ended
	Sep. 30, 2025	Nov. 07, 2025
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2025
Document Transition Report	false
Entity File Number	001-42031
Entity Registrant Name	INHIBRX BIOSCIENCES, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	99-0613523
Entity Address, Address Line One	11025 N. Torrey Pines Road
Entity Address, Address Line Two	Suite 140
Entity Address, City or Town	La Jolla
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	92037
City Area Code	(858)
Local Phone Number	795-4220
Title of 12(b) Security	Common Stock, par value $0.0001
Trading Symbol	INBX
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	true
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		14,543,738
Current Fiscal Year End Date	--12-31
Amendment Flag	false
Entity Central Index Key	0002007919
Document Fiscal Year Focus	2025
Document Fiscal Period Focus	Q3