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Cash Equivalents and Short-Term Investments - Schedule of Cash and Short Term Investments (Details) - USD ($) $ in Thousands | Oct. 31, 2025 | Jan. 31, 2025
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Debt Securities, Available-for-sale [Line Items] |  |  |
Cash and cash equivalents | [1] | $ 224,231 | $ 227,649
Cash equivalents and short-term investments, amortized cost |  | 1,128,668 | 897,742
Cash equivalents and short-term investments, gross unrealized gains |  | 1,284 | 880
Cash equivalents and short-term investments, gross unrealized losses |  | (154) | (364)
Cash equivalents and short-term investments, fair value |  | 1,129,798 | 898,258
Level 2 |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Cash equivalents and short-term investments, amortized cost |  | 988,926 | 800,649
Cash equivalents and short-term investments, gross unrealized gains |  | 1,284 | 880
Cash equivalents and short-term investments, gross unrealized losses |  | (154) | (364)
Cash equivalents and short-term investments, fair value |  | 990,056 | 801,165
Cash and Cash Equivalents | Level 2 |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Cash and cash equivalents |  | 149,718 | 133,522
Cash equivalents, gross unrealized gains |  | 3 | 8
Cash equivalents, gross unrealized losses |  | 0 | 0
Cash equivalents, fair value |  | 149,721 | 133,530
Short-Term Investments | Level 2 |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Short-term investments, amortized cost |  | 978,950 | 764,220
Short-term investments, gross unrealized gains |  | 1,281 | 872
Short-term investments, gross unrealized losses |  | (154) | (364)
Short-term investments, fair value |  | 980,077 | 764,728
Money market funds | Cash and Cash Equivalents | Level 1 |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Cash and cash equivalents |  | 139,742 | 97,093
Cash equivalents, fair value |  | 139,742 | 97,093
U.S. Treasury securities | Cash and Cash Equivalents | Level 2 |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Cash and cash equivalents |  | 9,976 | 36,429
Cash equivalents, gross unrealized gains |  | 3 | 8
Cash equivalents, gross unrealized losses |  | 0 | 0
Cash equivalents, fair value |  | 9,979 | 36,437
U.S. Treasury securities | Short-Term Investments | Level 2 |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Short-term investments, amortized cost |  | 603,372 | 463,474
Short-term investments, gross unrealized gains |  | 630 | 521
Short-term investments, gross unrealized losses |  | (93) | (140)
Short-term investments, fair value |  | 603,909 | 463,855
Commercial paper | Short-Term Investments | Level 2 |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Short-term investments, amortized cost |  | 17,031 | 19,400
Short-term investments, gross unrealized gains |  | 3 | 4
Short-term investments, gross unrealized losses |  | (2) | (11)
Short-term investments, fair value |  | 17,032 | 19,393
Corporate debt securities | Short-Term Investments | Level 2 |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Short-term investments, amortized cost |  | 286,065 | 220,326
Short-term investments, gross unrealized gains |  | 568 | 327
Short-term investments, gross unrealized losses |  | (50) | (148)
Short-term investments, fair value |  | 286,583 | 220,505
U.S. Agency securities | Short-Term Investments | Level 2 |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Short-term investments, amortized cost |  | 72,482 | 61,020
Short-term investments, gross unrealized gains |  | 80 | 20
Short-term investments, gross unrealized losses |  | (9) | (65)
Short-term investments, fair value |  | 72,553 | 60,975
Cash | Cash and Cash Equivalents |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Short-term investments, amortized cost |  | $ 74,500 | $ 94,100
[1] | (1) As of October 31, 2025 and January 31, 2025, the condensed consolidated balance sheet includes assets of the consolidated variable interest entity, GitLab Information Technology (Hubei) Co., LTD (“JiHu”), of $41.6 million and $46.5 million, respectively, and liabilities of $7.2 million and $10.3 million respectively. 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 10. Joint Venture” for further discussion.

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- Definition Amount of cash and cash equivalent. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483467/210-10-45-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-4 + Details
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