v3.25.4
Cover
Mar. 13, 2026
Document Information [Line Items]  
Document Type 8-K
Amendment Flag false
Document Period End Date Mar. 13, 2026
Entity File Number 001-40916
Entity Registrant Name MultiSensor AI Holdings, Inc.
Entity Central Index Key 0001863990
Entity Tax Identification Number 86-3938682
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 24 Greenway Plaza, Suite 1800
Entity Address, City or Town Houston
Entity Address, State or Province TX
Entity Address, Postal Zip Code 77046
City Area Code 866
Local Phone Number 861-0788
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period true
Common Stock 0. 0001 Par Value Per Share [Member]  
Document Information [Line Items]  
Title of 12(b) Security Common stock, $0.0001 par value per share
Trading Symbol MSAI
Security Exchange Name NASDAQ
Warrants To Purchase Common Stock [Member]  
Document Information [Line Items]  
Title of 12(b) Security Warrants to purchase common stock
Trading Symbol MSAIW
Security Exchange Name NASDAQ