v3.25.3
Cover Page - shares
 9 Months Ended
Sep. 30, 2025
Nov. 11, 2025
Document Information [Line Items]    
Entity Registrant Name Banzai International, Inc.  
Trading Symbol BNZI  
Document Type 10-Q  
Current Fiscal Year End Date --12-31  
Amendment Flag false  
Entity Central Index Key 0001826011  
Entity Current Reporting Status Yes  
Entity Filer Category Non-accelerated Filer  
Document Period End Date Sep. 30, 2025  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q3  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Shell Company false  
Entity Ex Transition Period false  
Document Transition Report false  
Document Quarterly Report true  
Entity File Number 001-39826  
Entity Incorporation, State or Country Code DE  
Entity Address, Address Line One 435 Ericksen Ave  
Entity Address, Address Line Two Suite 250  
Entity Address, City or Town Bainbridge Island  
Entity Address, State or Province WA  
Entity Address, Postal Zip Code 98110  
City Area Code 206  
Local Phone Number 414-1777  
Title of 12(b) Security Class A common stock, par value $0.0001 per share  
Security Exchange Name NASDAQ  
Entity Interactive Data Current Yes  
Entity Tax Identification Number 85-3118980  
Warrant [Member]    
Document Information [Line Items]    
Trading Symbol BNZIW  
Title of 12(b) Security Redeemable Warrants, each whole warrant exercisable for one share of Class A common stock at an exercise price of $11.50  
Security Exchange Name NASDAQ  
Common Class A [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   6,513,153
Common Class B [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   231,114