How Much Did Vellum Raise?
Funding & Key Investors

Vellum, a prominent player in the large language model (LLM) implementation and assistance platform sector, has secured significant enterprise-level funding. The company announced a recent strategic investment, bringing its total capital raised to $25M. This latest financing round, which occurred on July 10, 2025, underscores Vellum's strategic importance and growth trajectory in the competitive AI landscape.

What is Vellum?

Vellum
SoftwareEngineering Software

Based in New York, New York, Vellum operates as a comprehensive implementation and assistance platform specifically designed for large language models (LLMs). The company provides essential tools and support for businesses looking to integrate and leverage LLM technology effectively. Vellum's focus on LLM implementation positions it as a key enabler for enterprises seeking to harness the power of advanced artificial intelligence, addressing the growing demand for sophisticated AI solutions in various industries.

How much funding has Vellum raised?

Vellum has raised a total of $25M across 2 funding rounds:

2023

Angel/Seed

$5M

2025

Series A

$20M

Angel/Seed (2023): $5M with participation from Y Combinator, Eastlink Capital, and Rebel Fund Management

Series A (2025): $20M led by Eastlink Capital, Y Combinator, Leaders Fund, Socii Capital, Rebel Fund Management, and Pioneer Fund

Key Investors in Vellum

Y Combinator

Established in 2005 and located in Mountain View, California, Y Combinator provides seed funding for startup businesses and to gauge investors for businesses.

Eastlink Capital

Eastlink Capital specializes in investing in early-stage enterprise cloud companies, particularly in Data Infrastructure and AI. They focus on partnering with mission-driven founders who possess unique technologies, leveraging their extensive domain expertise to identify promising opportunities.

Rebel Fund Management

Rebel Fund is a venture capital firm that specializes in investing in the top 10% of startups from Y Combinator, leveraging a proprietary machine-learning algorithm to identify high-potential investments. The firm is backed by accomplished Y Combinator alumni who have co-founded companies valued at over $100 billion.

What's next for Vellum?

With its recent major strategic investment, Vellum is poised for accelerated growth and further development of its LLM-focused platform. The substantial capital infusion, totaling $25M, suggests a scaling phase for the company, likely involving expansion of its engineering teams, enhancement of its platform capabilities, and broader market penetration. This funding will enable Vellum to solidify its position as a leader in the LLM implementation space, supporting more enterprises in their AI adoption journeys and driving innovation in the field.

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Frequently Asked Questions Regarding Vellum Financial Insights

What are the most recent funding rounds that Vellum has completed, and what were the funding rounds?
Vellum has recently completed 2 funding rounds: Series A on Jul 10, 2025, Angel/Seed on Jul 11, 2023.
What is the total amount of funding Vellum has raised to date?
Vellum has raised a total of $25M in funding to date.
How many funding rounds has Vellum completed?
Vellum has completed 2 funding rounds.
How much funding did Vellum raise in its most recent funding round?
Vellum raised $20M in its most recent funding round.
Who are the lead investors in Vellum's latest funding round?
The lead investor in Vellum's latest funding round was Eastlink Capital. To access investor data and explore similar companies, sign up for ZoomInfo.
Which was the largest funding round in Vellum's history?
The largest funding round in Vellum's history was $20M.
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