v3.24.1
Cover Page
 12 Months Ended
Dec. 31, 2023
Document Type S-1/A
Amendment Flag false
Entity Registrant Name Dianthus Therapeutics, Inc.
Entity Central Index Key 0001690585
Entity Filer Category Non-accelerated Filer
Entity Emerging Growth Company false
Entity Small Business true
Entity Tax Identification Number 81-0724163
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 7 Times Square, 43rd Floor,
Entity Address, City or Town New York
Entity Address, Postal Zip Code 10036
Entity Address, State or Province NY
City Area Code 929
Local Phone Number 999-4055
Business Contact [Member]  
Entity Address, Address Line One 7 Times Square, 43rd Floor,
Entity Address, City or Town New York
Entity Address, Postal Zip Code 10036
Entity Address, State or Province NY
City Area Code 929
Local Phone Number 999-4055