Lambda, an AI-focused cloud computing startup, is preparing to raise up to $4 billion in a funding round valuing the company at $14.5 billion before it goes public. This significant capital raise is expected to be the company's final private funding round ahead of a planned initial public offering (IPO) in 2027. The round is led by major investors Coatue Management and Blackstone, signaling strong financial backing as Lambda positions itself for a public market debut.

The company showed staggering growth in its backlog, increasing from $15 billion in June to $50 billion by September. However, this surge largely hinges on a massive $35 billion commitment from Anthropic, an AI lab that signed a deal with Lambda in August. While this contract boosts Lambda's demand, it also means the company’s valuation heavily relies on Anthropic’s ongoing investment and ability to fulfill its payment commitments.

Lambda’s business focuses on providing scarce GPU computing capacity crucial for AI workloads, a resource that remains in high demand but costly to support. To fund its rapid data center expansions, Lambda relies significantly on debt financing, having recently secured an additional $1 billion in senior secured financing. However, lenders are increasingly cautious about these loans, and Lambda’s new equity raise will help bolster its balance sheet before facing the scrutiny of public markets.

The planned IPO has been delayed from this year due to market conditions but aims to place Lambda alongside other Nvidia-backed AI infrastructure firms like CoreWeave and Nebius, which rely on their stock performance to fund growth. The AI neocloud market remains competitive, with British company Nscale also preparing to go public soon, highlighting the growing investor interest in cloud providers specialized in AI computing services.