Vellum

4.70

RATING

11 M+

EXPOSURE

About this tool

Name

Vellum

Category

tools

Vellum is a collaborative platform for building, testing, and optimizing AI prompts and workflows. Designed for product teams, data scientists, and prompt engineers, Vellum helps you create consistent and reliable AI-powered features by offering version control, evaluation tools, and integration support for large language models (LLMs). It is ideal for teams deploying generative AI in production environments.

Ratings and Reviews

Essential Tool for Prompt Engineers

4.90

Vellum helps our team version, test, and manage prompts at scale. It’s become a key part of our AI product development cycle.

May 28, 2025

Sophie W.

Great for Team Collaboration

4.70

Our developers and product team use Vellum daily to refine prompts for our chatbot. Collaboration tools and evaluation features are excellent.

June 1, 2025

Marcus J.

Needs More Model Support

4.40

It works really well with OpenAI and Anthropic, but I’d love to see more native support for other models like Mistral or Cohere.

June 3, 2025

Elena P.

How to use

Create an Account: Sign up on Vellum's platform and set up your first workspace. Design Prompts: Use the visual editor or code interface to create and iterate on prompts for LLMs like GPT-4 or Claude. Run Evaluations: Test your prompts against various inputs using built-in evaluation tools to check quality, accuracy, and consistency. Manage Versions: Save and compare different prompt versions using Vellum’s version control system. Collaborate with Team: Invite collaborators to review, comment, and improve prompt logic together. Deploy via API: Once optimized, deploy your prompt workflows directly to your production environment through Vellum’s API integration.

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