v3.26.1
Equity Incentive Plans and Stock-Based Compensation - Schedule of Option Activity (Details)
$ / shares in Units, shares in Thousands, $ in Thousands
 6 Months Ended 12 Months Ended
Jul. 31, 2026
USD ($)
$ / shares
shares
Jan. 31, 2026
USD ($)
$ / shares
shares
Stock Options    
Outstanding, beginning balance (in shares) | shares 6,790  
Granted (in shares) | shares 1,893  
Exercised (in shares) | shares (1,945)  
Forfeited (in shares) | shares (178)  
Outstanding, ending balance (in shares) | shares 6,560 6,790
Weighted-Average Exercise Price    
Outstanding, beginning balance (in dollars per share) | $ / shares $ 0.57  
Granted (in dollars per share) | $ / shares 0.10  
Exercised (in dollars per share) | $ / shares 0.36  
Forfeited (in dollars per share) | $ / shares 0.12  
Outstanding, ending balance (in dollars per share) | $ / shares $ 0.51 $ 0.57
Outstanding, Weighted-Average Remaining Contractual Life (years) 7 years 10 months 24 days 7 years 6 months
Outstanding, Aggregate Intrinsic Value | $ $ 80,328 $ 81,589
Vested and exercisable, Number of Stock Options (in shares) | shares 2,114  
Vested and exercisable, Weighted-Average Exercise Price (in dollars per share) | $ / shares $ 1.39  
Vested and exercisable, Weighted-Average Remaining Contractual Life (years) 5 years 7 months 6 days  
Vested and exercisable, Aggregate Intrinsic Value | $ $ 24,044