Stockholders’ Deficit - Restricted Stock Units Roll Forward (Details) - Restricted stock units	3 Months Ended
	Apr. 30, 2025 $ / shares shares
Number of RSUs
Unvested as at the beginning of the period (in shares) | shares	22,215,749
Granted (in shares) | shares	5,669,470
Vested (in shares) | shares	(2,979,973)
Forfeited (in shares) | shares	(800,222)
Unvested as as at the end of the period (in shares) | shares	24,105,024
Vested and not yet released (in shares) | shares	97,500
Outstanding (in shares) | shares	24,202,524
Weighted-Average Grant Date Fair Value
Unvested as at the beginning of the period (in USD per share) | $ / shares	$ 31.30
Granted (in USD per share) | $ / shares	56.61
Vested (in USD per share) | $ / shares	25.12
Forfeited (in USD per share) | $ / shares	31.46
Unvested as at the end of the period (in USD per share) | $ / shares	38.01
Vested and not yet released (in USD per share) | $ / shares	16.69
Outstanding (in USD per share) | $ / shares	$ 37.92