Cash Equivalents and Short-Term Investments - Schedule of Cash and Short Term Investments (Details) - USD ($) $ in Thousands		Oct. 31, 2024	Jan. 31, 2024
Debt Securities, Available-for-sale [Line Items]
Cash and cash equivalents	[1]	$ 176,632	$ 287,996
Cash equivalents and short-term investments, amortized cost		834,184	955,187
Cash equivalents and short-term investments, gross unrealized gains		1,173	924
Cash equivalents and short-term investments, gross unrealized losses		(447)	(779)
Cash equivalents and short-term investments, fair value		834,910	955,332
Level 2
Debt Securities, Available-for-sale [Line Items]
Cash equivalents and short-term investments, amortized cost		755,023	768,012
Cash equivalents and short-term investments, gross unrealized gains		1,173	924
Cash equivalents and short-term investments, gross unrealized losses		(447)	(779)
Cash equivalents and short-term investments, fair value		755,749	768,157
Cash and Cash Equivalents | Level 2
Debt Securities, Available-for-sale [Line Items]
Cash and cash equivalents		94,572	207,046
Cash equivalents, gross unrealized gains		0	0
Cash equivalents, gross unrealized losses		(2)	(3)
Cash equivalents, fair value		94,570	207,043
Short-Term Investments | Level 2
Debt Securities, Available-for-sale [Line Items]
Short-term investments, amortized cost		739,612	748,141
Short-term investments, gross unrealized gains		1,173	924
Short-term investments, gross unrealized losses		(445)	(776)
Short-term investments, fair value		740,340	748,289
Money market funds | Cash and Cash Equivalents | Level 1
Debt Securities, Available-for-sale [Line Items]
Cash and cash equivalents		79,161	187,175
Cash equivalents, fair value		79,161	187,175
U.S. Agency securities | Cash and Cash Equivalents | Level 2
Debt Securities, Available-for-sale [Line Items]
Cash and cash equivalents		1,983
Cash equivalents, gross unrealized gains		0
Cash equivalents, gross unrealized losses		0
Cash equivalents, fair value		1,983
U.S. Agency securities | Short-Term Investments | Level 2
Debt Securities, Available-for-sale [Line Items]
Short-term investments, amortized cost		57,290	56,324
Short-term investments, gross unrealized gains		27	29
Short-term investments, gross unrealized losses		(59)	(136)
Short-term investments, fair value		57,258	56,217
U.S. Treasury securities | Cash and Cash Equivalents | Level 2
Debt Securities, Available-for-sale [Line Items]
Cash and cash equivalents		10,429	15,909
Cash equivalents, gross unrealized gains		0	0
Cash equivalents, gross unrealized losses		(1)	(2)
Cash equivalents, fair value		10,428	15,907
U.S. Treasury securities | Short-Term Investments | Level 2
Debt Securities, Available-for-sale [Line Items]
Short-term investments, amortized cost		440,597	437,369
Short-term investments, gross unrealized gains		692	141
Short-term investments, gross unrealized losses		(227)	(389)
Short-term investments, fair value		441,062	437,121
Commercial paper | Cash and Cash Equivalents | Level 2
Debt Securities, Available-for-sale [Line Items]
Cash and cash equivalents		2,999	3,962
Cash equivalents, gross unrealized gains		0	0
Cash equivalents, gross unrealized losses		(1)	(1)
Cash equivalents, fair value		2,998	3,961
Commercial paper | Short-Term Investments | Level 2
Debt Securities, Available-for-sale [Line Items]
Short-term investments, amortized cost		16,725	23,229
Short-term investments, gross unrealized gains		10	14
Short-term investments, gross unrealized losses		(13)	(1)
Short-term investments, fair value		16,722	23,242
Corporate debt securities | Short-Term Investments | Level 2
Debt Securities, Available-for-sale [Line Items]
Short-term investments, amortized cost		225,000	231,219
Short-term investments, gross unrealized gains		444	740
Short-term investments, gross unrealized losses		(146)	(250)
Short-term investments, fair value		225,298	231,709
Cash | Cash and Cash Equivalents
Debt Securities, Available-for-sale [Line Items]
Short-term investments, amortized cost		$ 82,100	$ 81,000

[1] (1) As of October 31, 2024 and January 31, 2024, the condensed consolidated balance sheet includes assets of the consolidated variable interest entity, GitLab Information Technology (Hubei) Co., LTD (“JiHu”), of $43.4 million and $47.6 million, respectively, and liabilities of $6.1 million for each period presented. The assets of JiHu can be used only to settle obligations of JiHu and creditors of JiHu do not have recourse against the general credit of the Company. Refer to “Note 11. Joint Venture and Equity Method Investment” for further discussion.