Stockholders’ Deficit - Schedule of Stock Options Roll Forward (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2022
Number of Options
Outstanding, beginning of period (in shares)	3,185,020	4,098,034	4,693,880
Granted (in shares)	8,000,000	0	178,924
Exercised (in shares)	(1,548,712)	(884,012)	(669,122)
Cancelled (in shares)	(66,174)	(29,002)	(105,648)
Outstanding, end of period (in shares)	9,570,134	3,185,020	4,098,034	4,693,880
Options vested, number of options (in shares)	2,352,521
Options exercisable, number of options (in shares)	2,352,521
Weighted- Average Exercise Price
Outstanding, beginning of period (in USD per share)	$ 6.23	$ 5.74	$ 5.22
Granted (in USD per share)	32.00	0	20.87
Exercised (in USD per share)	5.50	3.83	5.70
Cancelled (in USD per share)	18.94	10.40	8.18
Outstanding, end of period (in USD per share)	27.80	$ 6.23	$ 5.74	$ 5.22
Options vested, weighted average exercise price per share (in USD per share)	15.02
Options exercisable, weighted average exercise price per share (in USD per share)	$ 15.02
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract]
Options outstanding, weighted average remaining contractual term	8 years 2 months 12 days	4 years 2 months 12 days	5 years	5 years 10 months 24 days
Options vested, weighted average remaining contractual term	5 years 1 month 6 days
Options exercisable, weighted average remaining contractual term	5 years 1 month 6 days
Options outstanding, aggregate intrinsic value	$ 435,133	$ 71,347	$ 66,017	$ 68,795
Options exercised, aggregate intrinsic value	54,160	$ 17,771	$ 9,973
Options exercisable, aggregate intrinsic value	137,044
Options vested, aggregate intrinsic value	$ 137,044