v3.26.1
EQUITY INCENTIVE PLANS - Schedule of Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Jan. 31, 2026
Jan. 31, 2025
Jan. 31, 2024
Number of Stock Options Outstanding      
Beginning balance (in shares) 40,971,097    
Granted (in shares) 3,571,419    
Exercised (in shares) (3,002,251)    
Cancelled/forfeited/expired (in shares) (2,256,780)    
Ending balance (in shares) 39,283,485 40,971,097  
Vested and expected to vest as of end of period (in shares) 39,283,485 2,254  
Exercisable as of end of period (in shares) 30,895,271    
Weighted-Average Exercise Price per Share      
Beginning balance (in dollars per share) $ 12.80    
Granted (in dollars per share) 23.35    
Exercised (in dollars per share) 7.97    
Cancelled/forfeited/expired (in dollars per share) 16.49    
Ending balance (in dollars per share) 13.91 $ 12.80  
Vested and expected to vest as of end of period (in dollars per share) 13.91    
Exercisable as of end of period (in dollars per share) $ 12.49    
Weighted- Average Remaining Contractual Life (Years)      
Outstanding, weighted average remaining contractual term (in years) 5 years 8 months 12 days 7 years  
Vested and expected to vest as end of period, weighted average remaining contractual term (in years) 5 years 8 months 12 days    
Vested and expected to vest as end of period, weighted average remaining contractual term (in years) 5 years 1 month 6 days 2 years 3 months 18 days  
Aggregate Intrinsic Value      
Outstanding, aggregate intrinsic value, beginning balance $ 402,471    
Exercises, aggregate intrinsic value 49,674 $ 9,100 $ 6,000
Outstanding, aggregate intrinsic value, ending balance 55,743 $ 402,471  
Vested and expected to vest, aggregate intrinsic value 55,743    
Exercisable, aggregate intrinsic value $ 55,743