Redeemable Convertible Preferred Stock - Schedule of Convertible Preferred Stock and Liquidation Preferences (Details) - USD ($) $ in Thousands	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2022
Class of Stock [Line Items]
Authorized Shares (in shares)		74,182,559
Issued (in shares)		74,182,559
Outstanding (in shares)	0	74,182,559	74,182,559	74,182,559
Liquidation Preference		$ 715,100
Carrying Value	$ 0	$ 714,713	$ 714,713	$ 714,713
Series A
Class of Stock [Line Items]
Authorized Shares (in shares)		15,255,884
Issued (in shares)		15,255,884
Outstanding (in shares)		15,255,884
Liquidation Preference		$ 10,255
Carrying Value		$ 10,229
Series B
Class of Stock [Line Items]
Authorized Shares (in shares)		16,751,780
Issued (in shares)		16,751,780
Outstanding (in shares)		16,751,780
Liquidation Preference		$ 41,000
Carrying Value		$ 40,974
Series C
Class of Stock [Line Items]
Authorized Shares (in shares)		8,937,037
Issued (in shares)		8,937,037
Outstanding (in shares)		8,937,037
Liquidation Preference		$ 61,250
Carrying Value		$ 61,187
Series D
Class of Stock [Line Items]
Authorized Shares (in shares)		15,406,551
Issued (in shares)		15,406,551
Outstanding (in shares)		15,406,551
Liquidation Preference		$ 182,600
Carrying Value		$ 182,505
Series E
Class of Stock [Line Items]
Authorized Shares (in shares)		17,831,307
Issued (in shares)		17,831,307
Outstanding (in shares)		17,831,307
Liquidation Preference		$ 419,995
Carrying Value		$ 419,818