v3.26.1
NET LOSS PER SHARE - Schedule of Computation of Diluted net Loss Per Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Jan. 31, 2026
Jan. 31, 2025
Jan. 31, 2024
Earnings Per Share [Abstract]      
Net loss $ (398,030) $ (181,078) $ (331,552)
Weighted-average shares outstanding used to compute net loss per share attributable to common stockholders, basic (in shares) 97,795,703 45,271,666 44,583,919
Weighted-average shares outstanding used to compute net loss per share attributable to common stockholders, diluted (in shares) 97,795,703 45,271,666 44,583,919
Net loss per share attributable to common stockholders, basic (in dollars per share) $ (4.07) $ (4.00) $ (7.44)
Net loss per share attributable to common stockholders, diluted (in dollars per share) $ (4.07) $ (4.00) $ (7.44)