Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2025

Schedule Of Share Based Compensation Arrangements By Share Based Paymen tAward [Line Items]

Summary of the Stock Option Activity

The stock option activity is summarized in the following table:

	Number of Option Shares			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (Years)		Aggregate Intrinsic Value (in millions)
Outstanding as of December 31, 2024		16,687,129		$	2.40
Exercised		(2,822,394	)		0.43
Cancelled/ Forfeited		(410,638	)		2.58
Outstanding as of March 31, 2025		13,454,097		$	2.81		5.35	$	259.16
Exercisable as of March 31, 2025		11,380,024		$	2.31		5.08	$	224.83
Exercisable and expected to vest as of March 31, 2025		13,454,097		$	2.81		5.35	$	259.16

Summary of restricted stock unit ("RSU") activity

The RSU activity is summarized in the following table:

	Number of RSUs			Weighted Average Grant Date Fair Value		Weighted Average Remaining Contractual Term (Years)
Outstanding as of December 31, 2024		14,509,717		$	9.54
Granted		2,447,244			32.01
Vested		(1,771,714	)		12.68
Forfeited		(420,752	)		9.62
Outstanding as of March 31, 2025		14,764,495		$	12.87		2.51
Expected to vest after March 31, 2025		14,743,995		$	12.87		2.51

Summary of Performance Share Unit ("PSU") Activity Based on Awards at Target

The PSU activity is summarized in the following table, based on awards at target:

	Number of PSUs			Weighted Average Grant Date Fair Value		Weighted Average Remaining Contractual Term (Years)
Outstanding as of December 31, 2024		3,972,257		$	16.17
Granted		965,630			30.73
Vested		(60,175	)		18.03
Forfeited		(73,548	)		18.03
Outstanding as of March 31, 2025		4,804,164		$	19.05		2.11
Expected to vest after March 31, 2025(1)		10,544,490		$	16.39		2.11

(1)Represents the number of PSUs expected to vest, which may exceed the target number of shares, based on the Company's probability assessment of expected performance during the performance period.

Summary of Stock-based Compensation Expenses for Stock Options and Unvested Common Stock

	Three Months Ended March 31,
	2025		2024
Cost of revenue	$	1,063	$	1,005
Research and development		17,392		12,366
Sales and marketing		4,356		2,775
General and administrative		10,442		5,915
Stock-based compensation, net of amounts capitalized		33,253		22,061
Capitalized stock-based compensation—Property and equipment, net and    Intangible assets, net		913		1,598
Total stock-based compensation	$	34,166	$	23,659

Summary of Unrecognized Stock-Based Compensation

March 31, 2025, related to its non-vested RSUs, PSUs, and stock option awards is presented below (in millions, except time period amounts):

Performance Based Restricted Stock Units [Member]

Schedule Of Share Based Compensation Arrangements By Share Based Paymen tAward [Line Items]

Summary of Share Based Payment Award Stock Options Valuation Assumptions

The assumptions used to estimate the fair value of PSUs subject to the stock price hurdle are as follows:

	Three Months Ended March 31,
	2025			2024
Risk-free interest rate		4.28	%		—	%
Contractual term (in years)		1.94			—
Expected volatility		112.50	%		—	%
Dividend yield		—	%		—	%