Reuters, relaying a Wall Street Journal report based on people familiar with the matter, says Lambda is raising up to $4 billion at a $14.5 billion pre-money valuation. Blackstone and Coatue Management are leading the unfinished round, which the report described as Lambda’s final private financing before a planned 2027 IPO. Lambda sells Nvidia-based computing for training and running AI models.
A developer can launch a Linux virtual machine backed by an Nvidia GPU for a test, reserve a 1-Click Cluster with 16 to 512 H100 GPUs for distributed work or arrange dedicated, single-tenant infrastructure. Customers bring their models; Lambda supplies the computing systems and offers managed clusters and workload orchestration. The company says its customers range from AI researchers to enterprises and hyperscalers.
The self-service products turn that access into metered cloud charges. On-demand instances accrue charges from launch through termination and are billed in one-minute increments, even when idle. Reserved 1-Click Clusters are priced per GPU-hour and billed weekly. Dedicated infrastructure provides a managed route for customers that don’t want to operate the cluster themselves.
Lambda’s capital needs are tied to physical equipment, not just software development. On October 1, it closed a $1.008 billion delayed-draw term loan for three committed deployments serving two investment-grade customers. The facility is secured by the funded servers and related infrastructure, along with contracted cash flows.
Lambda previously announced a $480 million Series D in February 2025 to expand its cloud platform, software and GPU fleet. The reported $4 billion ceiling is more than eight times that round, but it remains an upper limit, not cash already raised. Reuters said the 2027 listing depends on execution and market conditions, and Lambda did not immediately comment.
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