v3.26.1
Document and Entity Information - shares
 6 Months Ended
Jun. 30, 2026
Aug. 11, 2026
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Fiscal Year Focus 2026  
Document Period End Date Jun. 30, 2026  
Document Fiscal Period Focus Q2  
Entity Registrant Name MiNK Therapeutics, Inc.  
Entity Central Index Key 0001840229  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Current Fiscal Year End Date --12-31  
Entity Filer Category Non-accelerated Filer  
Entity File Number 001-40908  
Security Exchange Name NASDAQ  
Entity Common Stock, Shares Outstanding   5,103,002
Entity Shell Company false  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Title of 12(b) Security Common Stock, par value $0.00001 per share  
Trading Symbol INKT  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 82-2142067  
Entity Address, Address Line One 149 Fifth Avenue  
Entity Address, Address Line Two Suite 500  
Entity Address, City or Town New York  
Entity Address, State or Province NY  
Entity Address, Postal Zip Code 10010  
City Area Code 212  
Local Phone Number 994-8250  
Document Quarterly Report true  
Document Transition Report false