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Fair Value Measurements (Tables)
 6 Months Ended
Jul. 31, 2024
Fair Value Disclosures [Abstract]  
Schedule of financial assets and liabilities measured at fair value on a recurring basis
The following tables present information about the Company’s financial assets that have been measured at fair value on a recurring basis as of July 31, 2024 and January 31, 2024 and indicate the fair value hierarchy of the valuation inputs utilized to determine such fair value (in thousands):
Fair Value Measurement as of July 31, 2024
Level 1
Level 2
Level 3
Total
Financial Assets:
Cash and cash equivalents:
Money market funds $790,418 $— $— $790,418 
Short-term investments:
U.S. government treasury securities
973,933 — — 973,933 
Total financial assets
$1,764,351 $— $— $1,764,351 

Fair Value Measurement as of January 31, 2024
Level 1
Level 2
Level 3
Total
Financial Assets:
Cash and cash equivalents:
Money market funds $512,456 $— $— $512,456 
Short-term investments:
U.S. government treasury securities
1,212,448 — — 1,212,448 
Total financial assets
$1,724,904 $— $— $1,724,904 
Schedule of Marketable Securities
The following table summarizes the amortized cost and fair value of the Company’s short-term investments by remaining contractual maturity as of July 31, 2024 and January 31, 2024 (in thousands):
July 31, 2024January 31, 2024
Amortized
Cost
Unrealized
Gains (Losses)
Fair ValueAmortized
Cost		Unrealized
Gains (Losses)		Fair Value
Due within one year$485,188 $(1,232)$483,956 $520,006 $(543)$519,463 
Due after one year and within three years489,066 911 489,977 690,211 2,774 692,985 
Total short-term investments$974,254 $(321)$973,933 $1,210,217 $2,231 $1,212,448