Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jan. 31, 2026	Jan. 31, 2025	Jan. 31, 2024
Revenue	$ 955,224	$ 759,249	$ 579,906
Cost of revenue	120,743	85,140	59,708
Gross profit	834,481	674,109	520,198
Operating expenses:
Sales and marketing	434,725	384,295	356,393
Research and development	274,574	239,652	200,840
General and administrative	195,663	192,877	150,405
Total operating expenses	904,962	816,824	707,638
Loss from operations	(70,481)	(142,715)	(187,440)
Interest income	45,707	47,735	39,114
Other income (expense), net	(23,291)	9,187	(12,241)
Loss before income taxes	(48,065)	(85,793)	(160,567)
Loss from equity method investment, net of tax	0	0	(3,824)
Provision for (benefit from) income taxes	10,499	(76,674)	265,145
Net loss	(58,564)	(9,119)	(429,536)
Net loss attributable to noncontrolling interest	(2,608)	(2,793)	(3,859)
Net loss attributable to GitLab	$ (55,956)	$ (6,326)	$ (425,677)
Net loss per share attributable to Class A and Class B common stockholders, basic (in USD per share)	$ (0.34)	$ (0.04)	$ (2.76)
Net loss per share attributable to Class A and Class B common stockholders, diluted (in USD per share)	$ (0.34)	$ (0.04)	$ (2.76)
Weighted-average shares used to compute net loss per share attributable to Gitlab Class A and Class B common stockholders, basic (in shares)	166,792	160,580	154,283
Weighted-average shares used to compute net loss per share attributable to Gitlab Class A and Class B common stockholders, diluted (in shares)	166,792	160,580	154,283
Subscription—self-managed and SaaS
Revenue	$ 864,704	$ 675,179	$ 506,306
Cost of revenue	94,502	64,916	45,486
License—self-managed and other
Revenue	90,520	84,070	73,600
Cost of revenue	$ 26,241	$ 20,224	$ 14,222