v3.26.1
Stockholders' Deficit - Summary of the Assumptions Used in Estimating Fair Value of ESPP (Details) - ESPP
3 Months Ended 6 Months Ended
Jul. 31, 2026
Jul. 31, 2025
Jul. 31, 2026
Jul. 31, 2025
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Expected volatility rate, minimum 59.40% 59.00% 59.40% 59.00%
Expected volatility rate, maximum 61.20% 64.70% 61.20% 64.70%
Risk-free interest rate, minimum 3.80% 3.90% 3.80% 3.90%
Risk-free interest rate, maximum 3.80% 4.30% 3.80% 4.30%
Dividend yield 0.00% 0.00% 0.00% 0.00%
Minimum        
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Expected term (in years) 6 months 6 months 6 months 6 months
Maximum        
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Expected term (in years) 2 years 2 years 2 years 2 years