Stockholders’ Deficit - Equity Incentive Plan Narrative (Details) - shares	Apr. 30, 2024	Jul. 31, 2025	Jan. 31, 2025
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Shares reserved for future issuance (in shares)		98,844,000	93,618,000
ESPP
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Percentage of outstanding stock maximum	1.00%
Annual increase in number of shares reserved for issuance (in shares)	9,214,605
2024 Stock Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Shares reserved for future issuance (in shares)		61,681,000	57,591,000
2024 Stock Plan | Class A
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Shares reserved for future issuance (in shares)	46,073,027
2024 ESPP | ESPP
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Shares reserved for future issuance (in shares)	4,607,303