# Lambda

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/lambda

- Industry: Software
- Headquarters: San Jose, US
- Website: www.lambda.ai
- Total disclosed funding: $2.3B
- Latest round: Series E (Nov 18, 2025)
- Investors on record: 24

## About

Based in California, US, Lambda, Inc. delivers on-demand GPU cloud infrastructure services tailored for artificial intelligence (AI) training and inference, supporting enterprises and research institutions globally.Lambda Inc. was founded in 2012 and is headquartered in San Francisco, US. The company specializes in on-demand GPU cloud solutions, catering to AI workloads. The CEO of Lambda is Stephen Balaban, who is one of the co-founders along with Michael Balaban and Mohamed-Amine Abidi.Lambda provides a comprehensive suite of products and services centered around its on-demand GPU cloud infrastructure, primarily designed for artificial intelligence (AI) training and inference. The company's flagship offerings include GPU clusters for multi-node training and fine-tuning, utilizing NVIDIA's latest GPU technology, including the B200, B300, and the H100 instances. Lambda's platform facilitates seamless scalability and orchestration of AI workloads, catering to enterprise clients and research institutions. This service is beneficial for organizations engaged in deep learning and high-performance computing, allowing efficient management of substantial GPU resources via a user-friendly interface. Lambda's products are marketed globally with a focus on North America, Europe, and select regions in Asia, addressing the needs of AI researchers, data scientists, and machine learning engineers.Lambda generates revenue through a straightforward transaction model that focuses on usage-based billing for its GPU cloud services. Clients are charged based on the number of GPU hours utilized, with specific pricing plans for various GPU instances, such as NVIDIA H100 instances billed at USD 2.49 per hour. The company engages primarily in a business-to-business (B2B) model, providing tailored cloud solutions to organizations requiring extensive computational resources for AI development. Long-term contracts are available for clients wishing to secure large-scale GPU clusters, fostering lasting partnerships with enterprises needing consistent access to high-performance computing capabilities. By offering a combination of on-demand services and enterprise pricing, Lambda effectively caters to a broad client base within the AI ecosystem.In September 2025, Lambda Inc. raised USD 9.3 million in Series D funding from new investor Shinhan Securities. The company will utilize this funding to expand its high-performance AI cloud infrastructure for training and inference. Future plans include the development of new products and services aimed at enhancing user scalability and efficiency, alongside targeted market expansions into Europe and Asia by 2026.

## Funding rounds

- Series E, Nov 18, 2025, $1.4B — United States Innovative Technology, Twg Global
- Series D, Feb 19, 2025, $480M — NVIDIA Corporation, In-Q-Tel, Pegatron, Shinhan Securities, G Squared, 1517 Fund, Crescent Cove, Andra Global, Ark Invest, Wistron Corporation, Wiwynn Corporation, United States Innovative Technology, KHK & Partners, Super Micro Computer, Inc., Fincadia Capital Partners, SGW
- Series C, Oct 5, 2023, $320M — T Rowe Price, Mercato, Bloomberg Beta, SK Telecom, 1517 Fund, B Capital, Crescent Cove, Gradient Ventures, United States Innovative Technology
- Series B, Oct 31, 2022, $40M — Mercato, Bloomberg Beta, 1517 Fund, Crescent Cove, Gradient Ventures
- Series A, Jul 14, 2021, $15M — Razer Inc., Bloomberg Beta, 1517 Fund, Gradient Ventures

## Investors

- Razer Inc. — Series A
- Bloomberg Beta (https://capitalatlas.ai/funds/bloomberg-beta) — Series A, Series B, Series C
- 1517 Fund (https://capitalatlas.ai/funds/1517-fund) — Series A, Series B, Series C, Series D
- Gradient Ventures (https://capitalatlas.ai/funds/gradient-ventures) — Series A, Series B, Series C
- Mercato (https://capitalatlas.ai/funds/mercato) — Series B, Series C
- Crescent Cove — Series B, Series C, Series D
- T Rowe Price (https://capitalatlas.ai/funds/t-rowe-price) — Series C
- SK Telecom — Series C
- B Capital (https://capitalatlas.ai/funds/b-capital) — Series C
- United States Innovative Technology (https://capitalatlas.ai/funds/united-states-innovative-technology) — Series C, Series D, Series E
- NVIDIA Corporation — Series D
- In-Q-Tel (https://capitalatlas.ai/funds/in-q-tel) — Series D
- Pegatron — Series D
- Shinhan Securities (https://capitalatlas.ai/funds/shinhan-securities) — Series D
- G Squared (https://capitalatlas.ai/funds/g-squared) — Series D
- Andra Global (https://capitalatlas.ai/funds/andra-global) — Series D
- Ark Invest (https://capitalatlas.ai/funds/ark-invest) — Series D
- Wistron Corporation — Series D
- Wiwynn Corporation — Series D
- KHK & Partners — Series D
- Super Micro Computer, Inc. — Series D
- Fincadia Capital Partners — Series D
- SGW — Series D
- Twg Global — Series E