v3.26.1
EQUITY INCENTIVE PLANS (Tables)
 12 Months Ended
Jan. 31, 2026
Share-Based Payment Arrangement [Abstract]  
Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions The fair value of the stock options granted was estimated using the following assumptions in the Black-Scholes option pricing model:
Year Ended January 31,
202620252024
Expected volatility
56.40% - 58.49%
56.09% - 60.19%
59.13% - 61.13%
Risk-free interest rate
3.79% - 4.07%
3.86% - 4.60%
3.49% - 4.71%
Expected term (in years)
5.23 - 6.08
5.41 - 6.06
5.23 - 6.38
Expected dividend yield— %— %— %
The fair value of the shares to be granted during the initial offering period under the 2025 ESPP was estimated on the date of grant using the following assumptions in the Black-Scholes option pricing model:
Year Ended January 31,
2026
Expected volatility
46.52% - 50.93%
Risk-free interest rate
3.66% - 3.79%
Expected term (in years)
0.59 - 1.10
Expected dividend yield
—%
Schedule of Share-Based Payment Arrangement, Option, Activity
The following table summarizes stock option activity for the year ended January 31, 2026 (in thousands, except price per share, share and years data):
Number of Stock Options OutstandingWeighted-Average Exercise Price per ShareWeighted- Average Remaining Contractual Life
(Years)		Aggregate Intrinsic Value
Balance as of January 31, 202540,971,097 $12.80 7.0$402,471 
Granted3,571,419 $23.35 
Exercised(3,002,251)$7.97 $49,674 
Cancelled/forfeited/expired(2,256,780)$16.49 
Balance as of January 31, 202639,283,485 $13.91 5.7$55,743 
Vested and expected to vest as of January 31, 202639,283,485 $13.91 5.7$55,743 
Exercisable as of January 31, 202630,895,271 $12.49 5.1$55,743 
Schedule of Share-Based Payment Arrangement, Restricted Stock Unit, Activity
The following table summarizes the activity related to RSUs with performance-based conditions for the year ended January 31, 2026:
Number of Shares Subject to RSUsWeighted-Average Grant Date Fair Value
Unvested Balance as of January 31, 20254,551,847 $20.14 
Granted4,549,447 $24.09 
Forfeited(829,762)$21.46 
Vested(2,049,351)$19.48 
Unvested and outstanding as of January 31, 20266,222,181 $23.07 
The following table summarizes the activity related to RSUs with service-only conditions for the year ended January 31, 2026:
Number of Shares Subject to RSUsWeighted-Average Grant Date Fair Value
Unvested balance as of January 31, 2025102,000 $22.38 
Granted3,092,204 $20.54 
Forfeited(73,309)$21.89 
Vested(31,875)$22.38 
Unvested and outstanding as of January 31, 20263,089,020 $20.55 
Schedule of Share-Based Payment Arrangement, Expensed and Capitalized, Amount
Stock-based compensation is included in the following components of expenses within the consolidated statements of operations (in thousands):
Year Ended January 31,
202620252024
Cost of revenue$9,980 $4,577 $4,751 
Research and development49,142 30,408 27,039 
Sales and marketing46,080 17,077 15,872 
General and administrative76,887 24,919 28,189 
Total stock-based compensation expense, net of amounts capitalized
$182,089 $76,981 $75,851 
Capitalized stock-based compensation4,933 2,319 1,130 
Total stock-based compensation cost
$187,022 $79,300 $76,981