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Vellum

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12 reviews
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Average star rating
4.8
Serving customers since
2023
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Vellum

12 reviews

Vellum is an AI development platform designed to streamline the creation and deployment of large language model applications. It offers a comprehensive suite of tools that enable both technical and non-technical teams to collaborate effectively, accelerating the development process and ensuring the delivery of reliable AI solutions. Key Features and Functionality: - Prompt Engineering: Provides an intuitive editor with comparison modes, chat functionalities, and support for function calling, facilitating efficient prompt design and testing. - Workflows: Offers a visual workflow builder and SDKs for creating complex AI applications, supporting arbitrary code execution and integration with external APIs. - Evaluations: Enables systematic testing with out-of-the-box metrics, LLM-based evaluations, and custom metrics via Python or TypeScript, ensuring model performance and reliability. - Retrieval: Manages document ingestion, chunking, and embedding, providing semantic, keyword, and rule-based search capabilities for enhanced data retrieval. - Deployments: Facilitates release management, execution history tracking, and monitoring dashboards, ensuring smooth deployment and operation of AI applications. Primary Value and Problem Solved: Vellum addresses common challenges in AI development, such as slow development cycles, communication gaps between technical and business teams, and integration difficulties. By providing a unified platform with tools for prompt engineering, workflow creation, evaluation, and deployment, Vellum enables teams to iterate rapidly, experiment with data-driven insights, and deploy AI features confidently. This comprehensive approach accelerates the development of AI applications, reduces time-to-market, and ensures the delivery of high-quality, reliable AI solutions.

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Vellum Reviews

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Katie C.
KC
Katie C.
02/05/2026
Validated Reviewer
Verified Current User
Review source: Organic

Great Team and Many LLM Options

Vellum's team is awesome to work with and very responsive. Large list of LLMs to work with.
Max B.
MB
Max B.
CTO at Rentgrata
04/30/2025
Validated Reviewer
Verified Current User
Review source: Organic

The most likely best decision is to buy Vellum

Scenarios: 1. You are new to LLM-based product development: Buy Vellum (no question - build your own tooling later if you even need to). 2. You have started developing LLM-based products but not yet in production: Buy Vellum (get to production faster). 3. You have existing LLM-based products in production, but your tooling is limited: Buy Vellum (you likely need to improve the rate of development for the future - Vellum gets you there faster). 4. You have production LLM-products and extensive tooling: Probably still buy Vellum (focus on building and improving your products or experimenting with new ones. Vellum has the tooling you need in most cases and it will continue to get better while you work on what matters to your business). Reason to buy: Vellum is your partner. They work with you to understand your needs to build your products. That makes them great and building the product/tooling that allows you to focus on building your product and not the tooling required to do it.
Vrain A.
VA
Vrain A.
04/26/2025
Validated Reviewer
Review source: Organic

Fastest Way To Test and Deploy AI Workflows

We have immensely benefited from the UI workflow builder when narrowing in on our AI workflows. It gives us a centralized way to quickly test and try different prompts and models and see what impact it would have and what we feel comfortable deploying for our customers. The alternatives were too code heavy, this on the other-hand shortens the loop where anyone with an idea can test and then quickly move to production.

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HQ Location:
New York, US

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What is Vellum?

Vellum is a technology company specializing in artificial intelligence and machine learning solutions. Their platform, accessible via https://www.vellum.ai/, offers advanced AI tools designed to enhance productivity and decision-making processes in businesses across various industries. Vellum's AI applications focus on data analysis, automation, and predictive modeling, empowering organizations to leverage data-driven insights for strategic advantage. Vellum's commitment to innovation and the integration of cutting-edge AI technologies positions them as a significant contributor in the field of artificial intelligence, facilitating smarter and more efficient operating models.

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Year Founded
2023