Lambda Raises $480M Series D to Expand AI Cloud Platform and GPU-Powered Model Training

Lambda is building next-generation AI infrastructure, enabling researchers and enterprises to scale AI model training and inference seamlessly.

Lambda Raises $480M Series D to Expand AI Cloud Platform and GPU-Powered Model Training
Source: Lambda

Company Name: Lambda
Location: San Francisco, CA
Industry: AI Cloud Infrastructure

Funding Details:

  • Amount: $480M (Series D)
  • Investors:
    • Lead: Andra Capital, SGW
    • Participants: Andrej Karpathy, ARK Invest, Fincadia Advisors, G Squared, In-Q-Tel (IQT), KHK & Partners, NVIDIA, Pegatron, Supermicro, Wistron, Wiwynn, 1517, Crescent Cove, USIT

Purpose of Investment:

  • Expand its AI cloud platform
  • Scale its Model Inference API and Chat AI Assistant
  • Enhance GPU-powered AI model training and fine-tuning capabilities

Leadership:

  • CEO: Stephen Balaban

Product:
Lambda develops an AI cloud platform that provides infrastructure, cloud services, and software for AI model fine-tuning, training, and inferencing. The company introduced 1-Click Clusters, a self-serve and on-demand GPU cluster solution for AI model training. Lambda also offers the Lambda Inference API and Lambda Chat AI Assistant, which provide hosted access to open-source AI models like DeepSeek R1.

About Company:
Lambda is building next-generation AI infrastructure, enabling researchers and enterprises to scale AI model training and inference seamlessly. By leveraging its owned compute infrastructure, the company delivers high-performance GPU solutions optimized for AI workloads. Lambda’s rapid growth and strategic partnerships position it as a major player in the AI cloud ecosystem.

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