v3.25.2
Cover Page - shares
 6 Months Ended
Jun. 30, 2025
Aug. 08, 2025
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2025  
Document Transition Report false  
Securities Act File Number 001-40140  
Entity Registrant Name RIGETTI COMPUTING, INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 88-0950636  
Entity Address, Address Line One 775 Heinz Avenue  
Entity Address, City or Town Berkeley  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 94710  
City Area Code 510  
Local Phone Number 210-5550  
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 false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   324,165,170
Entity Central Index Key 0001838359  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q2  
Amendment Flag false  
Common Stock    
Document Information [Line Items]    
Title of 12(b) Security Common Stock, $0.0001 par value per share  
Trading Symbol RGTI  
Security Exchange Name NASDAQ  
Warrants    
Document Information [Line Items]    
Title of 12(b) Security Warrants, each whole warrant exercisable for one share of Common Stock at an exercise price of $11.50 per share  
Trading Symbol RGTIW  
Security Exchange Name NASDAQ