Vellum, Inc.

Vellum, Inc. is a software company founded in 2023 and headquartered in New York, NY, USA. The company was established by Noa Flaherty, Sidd Seethepalli, and Akash Sharma, leveraging their extensive experience working with Large Language Models (LLMs) to address common challenges in the field such as unreliable production performance, quickly evolving technologies, and engineering constraints. Vellum specializes in developing a platform designed to build, evaluate, and deploy LLM applications tailored for enterprise environments.

The company offers a SaaS-based subscription solution focused on enabling mid-size and large businesses—including engineering teams, product managers, and data scientists—to develop production-grade AI applications with an emphasis on collaboration, observability, and compliance. Vellum’s platform facilitates reliable and efficient AI product development, helping organizations accelerate deployment and improve confidence in AI-powered solutions. After participating in Y Combinator, Vellum gained notable traction and secured $20 million in Series A funding in 2024, led by Leaders Fund and supported by investors such as Y Combinator and Socii Capital. This funding supports the company’s growth and ongoing innovation in the AI software space.