GitLab operates a tiered subscription model that spans three core deployment scenarios — GitLab.com (SaaS), GitLab Dedicated (single-tenant cloud), and GitLab Self-Managed (on-premises or private cloud) — each generating subscription revenue at different price points and with different customer profiles. The subscription tier structure is GitLab's primary commercial mechanism. The Free tier provides essential Git repository hosting, basic CI/CD, and issue tracking at no cost, serving as the top of the funnel for developer adoption and community contribution. The Premium tier, priced at approximately 29 dollars per user per month, adds enterprise code review workflows, advanced CI/CD controls, security dashboards, and priority support — the tier most commonly adopted by teams transitioning from free or competitive tools. The Ultimate tier, at approximately 99 dollars per user per month, adds the full suite of security scanning tools (SAST, DAST, dependency scanning, container scanning, secret detection), compliance management, portfolio management, and the complete GitLab Duo AI feature set. Ultimate is the primary target of GitLab's enterprise sales motion and the tier that best demonstrates the economic case for platform consolidation. The land-and-expand motion within this tier structure is explicit and measurable. A development team that adopts GitLab Free for source code management, then upgrades to Premium for CI/CD and code review, then expands to Ultimate for security scanning and compliance has followed a path that GitLab's sales and product teams are specifically designed to facilitate. Each stage of expansion increases the customer's integration depth on the platform, raising switching costs and increasing the probability of contract renewal and further expansion. Net revenue retention rates consistently above 125% reflect this expansion dynamic operating effectively across the customer base. The open-core model is fundamental to GitLab's go-to-market strategy. By releasing the GitLab Community Edition as open-source software, GitLab creates a global distribution channel that no proprietary software sales force could replicate. Developers adopt GitLab in self-managed environments, build familiarity with the platform, advocate for it within their organizations, and create the bottom-up demand that enterprise sales teams convert into commercial contracts. The community edition also generates contributions from thousands of external developers who improve the product in ways that complement GitLab's internal engineering capacity. GitLab Professional Services — implementation consulting, training, and migration assistance — provides an additional revenue stream that accelerates enterprise customer time-to-value and deepens the platform relationship. For large enterprises migrating complex DevOps toolchains to GitLab, professional services reduce implementation risk and establish the customer success relationships that drive renewal confidence. This revenue stream carries lower margins than subscription but generates strategic value disproportionate to its financial contribution. The financial economics of GitLab's model reflect the characteristics of enterprise SaaS in the expansion phase. Gross margins consistently exceed 85%, reflecting the low marginal cost of delivering additional software functionality to existing cloud infrastructure. The primary cost is sales and marketing — which absorbs approximately 45–50% of revenue as GitLab invests in enterprise sales team expansion, partner ecosystem development, and brand marketing — and R&D, which absorbs approximately 35–40% as the company builds the AI, security, and platform capabilities that differentiate the Ultimate tier.