Vellum

Vellum is an enterprise development platform that specializes in building, evaluating, and deploying AI products powered by large language models (LLMs). Founded in 2023 and based in New York, the company operates as a privately held SaaS provider with a team of 11–50 employees. Vellum has successfully raised approximately $25.13 million across three funding rounds, including a $20 million Series A in 2024.

The platform offers a comprehensive suite of tools for prompt engineering, workflow automation, testing, version control, and performance monitoring, all within a single interface. Key features include an AI agent orchestration platform, document processing automation, and customer support automation. Vellum also provides a personal AI assistant for individual users, capable of managing various tasks. The platform is designed to support both technical and non-technical users, making it accessible for diverse teams across industries such as healthcare, real estate, and technology.