v3.26.1
EQUITY INCENTIVE PLANS - Schedule of Stock-Based Compensation Expense (Details) - USD ($)
$ in Thousands
 12 Months Ended
Oct. 31, 2025
Jan. 31, 2026
Jan. 31, 2025
Jan. 31, 2024
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Total stock-based compensation expense, net of amounts capitalized   $ 182,089 $ 76,981 $ 75,851
Capitalized stock-based compensation $ 900 4,933 2,319 1,130
Total stock-based compensation cost   187,022 79,300 76,981
Cost of revenue        
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Total stock-based compensation expense, net of amounts capitalized   9,980 4,577 4,751
Research and development        
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Total stock-based compensation expense, net of amounts capitalized   49,142 30,408 27,039
Sales and marketing        
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Total stock-based compensation expense, net of amounts capitalized   46,080 17,077 15,872
General and administrative        
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Total stock-based compensation expense, net of amounts capitalized   $ 76,887 $ 24,919 $ 28,189