V
Vellum
Vellum (W23) is a developer platform for building production-worthy applications on LLMs like OpenAI’s GPT-3 or Anthropic’s Claude
About Vellum
Vellum.ai is a cutting-edge startup specializing in the development and deployment of Large Language Model (LLM) powered applications. The company provides a comprehensive platform designed to manage the entire lifecycle of LLM applications, from prompt engineering to performance monitoring. Vellum.ai serves a diverse range of clients, including tech companies, AI researchers, and enterprises looking to integrate advanced AI capabilities into their operations.
Operating in the rapidly growing artificial intelligence and machine learning market, Vellum.ai offers tools that facilitate prompt engineering, semantic search, version control, quantitative testing, and performance monitoring. These tools are essential for ensuring that AI models perform reliably and efficiently once deployed in real-world applications.
The business model of Vellum.ai revolves around a subscription-based service, where clients pay for access to the platform's suite of tools and features. Additionally, the company offers premium services such as custom model integration and advanced performance analytics, which provide additional revenue streams.
Vellum.ai makes money by charging clients for platform access, offering premium features, and providing expert consulting services. The platform's ability to support all major LLM providers and open-source models makes it a versatile choice for organizations looking to leverage the power of AI.
In summary, Vellum.ai is a robust platform that helps businesses and researchers deploy LLM-powered features with confidence, ensuring best-in-class security, privacy, and scalability.
Source: Dealroom company dataAt a glance
- Status
- Operational
- Founded
- 2023
- Headquarters
- New York City, United States
- Employees
- 32
- Open positions
- None listed
- Dealroom signal
- 62.7/100
- Industry
- Enterprise Software
- Sector
- AI, Core AI, Generative AI, MLops, genAI Operation Layer, YC W23
- Technology
- Artificial Intelligence
- Business model
- SaaS
- Client focus
- b2b
Knowledge graph
More headlines
Funding history
Company financing events and reported valuations.
| Deal type | Date | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| SERIES A✓Equity / VC | Jul 2025 | $20M | $80M | Y Combinator · Eastlink Capital · Rebel Fund · Pioneer Fund | ↗ |
| SEED✓Equity / VC | Jul 2023 | $5M | $20M | Eastlink Capital · Y Combinator · Rebel Fund · Pioneer Fund | ↗ |
Growth signals
Latest recorded traffic for Vellum is 490K monthly website visits, up 8.9% over the last three months. Vellum's team declined 17.9% over the past year.
Similar companies
Company identity and context are open; selected comparison metrics preview what is available on the platform.
| Company | Headquarters | Status | Employees | Total funding | Valuation |
|---|---|---|---|---|---|
LiteLLMUnified LLM API gateway for enterprise AI infrastructure |
San Francisco, United States | Operational | 16 | $625K | $2M |
BaseplateBaseplate helps teams collaborate and integrate production-ready LLMs into their apps |
San Francisco, United States | Operational | |||
MetalML Embeddings on easy mode |
New York City, United States | Operational | |||
Stack AIAI-powered Data Platform for ML Teams |
San Francisco, United States | Acquired | |||
TraceloopEasily run end-to-end tests for backends |
Tel Aviv-Yafo, Israel | Acquired | |||
HeliconeMonitoring your GPT-3 usage and costs shouldn't be a hassle |
San Francisco, United States | Acquired | |||
pyq AIML at scale quickly and affordably |
Seattle, United States | Operational | |||
Flower LabsMachine learning that allows for distributed training of models across multiple devices |
Hamburg, Germany | Operational |
Investments and acquisitions
Recent portfolio relationships for companies that also act as investors or acquirers.
Investors
From Dealroom's funding and investor records, grouped by the round each investor first entered.
Seed4 investors entered at this stage
Y Combinator
Eastlink Capital
Rebel Fund
Pioneer Fund
Series A2 investors entered at this stage
Leaders Fund
Socii Capital
Source: Dealroom Talent Intelligence.
Global footprint
team presence
Market sentiment
An AI-synthesised read of the highest-engagement posts about Vellum on X, ranked by likes and reposts, corporate channels excluded.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
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