San Francisco-based cloud platform Railway has announced it secured $100 million in Series B funding, led by TQ Ventures, with participation from FPV Ventures, Redpoint, and Unusual Ventures. This investment values Railway as a significant infrastructure startup emerging in the current artificial intelligence boom, positioning it to challenge established cloud providers like Amazon Web Services (AWS) and Google Cloud with its AI-native infrastructure.

The funding round highlights a growing demand for AI applications that is exposing limitations in legacy cloud infrastructure. Railway, which has garnered two million developers without traditional marketing, addresses developer frustrations with the complexity and cost of existing platforms. According to Jake Cooper, Railway’s founder and chief executive, traditional cloud primitives are slow and outdated, unable to keep pace with the speed of AI development. Railway claims its platform delivers deployments in under one second, a stark contrast to the two to three minutes typical for industry-standard tools like Terraform, which have become bottlenecks when AI coding assistants can generate code in seconds. Customers report a tenfold increase in developer velocity and up to 65 percent cost savings, with one enterprise client, G2X, noting a seven-times faster deployment speed and an 87 percent cost reduction.

A key differentiator for Railway is its vertical integration, including the decision to abandon Google Cloud in 2024 to build its own data centers. This move provides full control over network, compute, and storage layers, enabling faster build and deploy loops and ensuring resilience during widespread cloud outages. This approach also allows for competitive pricing, undercutting hyperscalers by approximately 50 percent and newer cloud startups by three to four times. Railway charges for actual compute usage by the second, avoiding fees for idle virtual machines, which is a common practice among traditional cloud providers.

Despite its lean team of 30 employees, Railway generates tens of millions in annual revenue, having grown revenue 3.5 times last year and expanding at 15 percent month-over-month. The company’s growth has largely been driven by word-of-mouth among developers. While rooted in a grassroots community, Railway has also made inroads into large organizations, with 31 percent of Fortune 500 companies reportedly using its platform, including Bilt, Intuit’s GoCo, Cruise Critic, and MGM Resorts. The company plans to utilize the new capital to expand its global data center footprint, grow its team, and establish its first formal go-to-market operations, aiming to accelerate its presence on the global stage.

Railway’s expansion coincides with a period where AI coding assistants are becoming essential developer tools, driving an unprecedented volume of code generation that requires robust infrastructure. The company has already integrated directly with AI systems, enabling agents to deploy applications and manage infrastructure from code editors. Railway is focused on becoming the primary platform where software is created and evolved, offering instant deployment and infinite scalability with minimal friction.