Balance Sheet Components - Schedule of Short-term Investments (Details) - USD ($) $ in Thousands	Jan. 31, 2026	Jan. 31, 2025
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 410,234	$ 103,886
Gross Unrealized Gains	434	215
Gross Unrealized Losses	(19)	(74)
Fair Value	410,649	104,027
U.S. Treasury securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	212,790	13,154
Gross Unrealized Gains	110	0
Gross Unrealized Losses	(3)	(58)
Fair Value	212,897	13,096
Commercial paper
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	4,598	4,285
Gross Unrealized Gains	3	4
Gross Unrealized Losses	0	0
Fair Value	4,601	4,289
Corporate bonds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	192,846	84,336
Gross Unrealized Gains	321	208
Gross Unrealized Losses	(16)	(16)
Fair Value	$ 193,151	84,528
Certificates of deposit
Debt Securities, Available-for-sale [Line Items]
Amortized Cost		2,111
Gross Unrealized Gains		3
Gross Unrealized Losses		0
Fair Value		$ 2,114

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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+ Details