Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2023
Revenue	$ 759,249	$ 579,906	$ 424,336
Cost of revenue	85,140	59,708	51,680
Gross profit	674,109	520,198	372,656
Operating expenses:
Sales and marketing	384,295	356,393	309,992
Research and development	239,652	200,840	156,143
General and administrative	192,877	150,405	117,932
Total operating expenses	816,824	707,638	584,067
Loss from operations	(142,715)	(187,440)	(211,411)
Interest income	47,735	39,114	14,496
Other income (expense), net	9,187	(12,241)	21,621
Loss before income taxes and loss from equity method investment	(85,793)	(160,567)	(175,294)
Loss from equity method investment, net of tax	0	(3,824)	(2,468)
Provision for (benefit from) income taxes	(76,674)	265,145	4,030
Net loss	(9,119)	(429,536)	(181,792)
Net loss attributable to noncontrolling interest	(2,793)	(3,859)	(8,385)
Net loss attributable to GitLab	$ (6,326)	$ (425,677)	$ (173,407)
Net loss per share attributable to GitLab Class A and Class B common stockholders, basic (in dollars per share)	$ (0.04)	$ (2.76)	$ (1.17)
Net loss per share attributable to GitLab Class A and Class B common stockholders, diluted (in dollars per share)	$ (0.04)	$ (2.76)	$ (1.17)
Weighted-average shares used to compute net income (loss) per share attributable to GitLab Class A and Class B common stockholders, basic (in shares)	160,580	154,283	148,407
Weighted-average shares used to compute net income (loss) per share attributable to GitLab Class A and Class B common stockholders, diluted (in shares)	160,580	154,283	148,407
Subscription—self-managed and SaaS
Revenue	$ 675,179	$ 506,306	$ 369,349
Cost of revenue	64,916	45,486	40,841
License—self-managed and other
Revenue	84,070	73,600	54,987
Cost of revenue	$ 20,224	$ 14,222	$ 10,839