Stockholders’ Deficit - Schedule of Reserved Shares of Common Stock (Details) - shares shares in Thousands	Jul. 31, 2026	Jan. 31, 2026
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Common stock reserved (in shares)	101,159	93,987
2024 Stock Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Common stock reserved (in shares)	64,254	58,406
2024 Employee Stock Purchase Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Common stock reserved (in shares)	6,571	5,090
Employee stock option \| 2014 Stock Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Common stock reserved (in shares)	8,657	8,970
Restricted stock units \| 2014 Stock Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Common stock reserved (in shares)	5,094	9,227
Restricted stock units \| 2024 Stock Plan
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Common stock reserved (in shares)	16,583	12,294

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details