Vellum AI

Vellum AI is an AI development platform that helps developers and businesses build, test, deploy, and monitor applications powered by large language models (LLMs). They provide a unified workspace where teams can create AI workflows, manage prompts, evaluate model performance, and deploy AI-powered features without building complex infrastructure from scratch. They are designed for AI engineers, product teams, startups, and enterprises that want to develop reliable AI applications faster while maintaining quality and consistency. Their platform supports multiple AI providers, allowing developers to compare models and optimize outputs for different business needs.

They provide features such as prompt management, AI workflow builder, LLM evaluation, model comparison, and deployment tools. They allow developers to create reusable prompts, design multi-step AI workflows, and test different models before deploying applications into production. Their built-in evaluation tools help teams measure response quality, identify issues, and improve prompts through structured testing. They also support integrations with leading AI providers, enabling businesses to build AI assistants, document processing tools, customer support systems, content generation platforms, and enterprise automation solutions. Their collaborative workspace allows technical and non-technical teams to work together efficiently while maintaining version control and deployment history.

Vellum AI helps organizations accelerate AI application development by simplifying prompt engineering, workflow management, and model evaluation. They are useful for teams building production-ready AI products that require reliability, scalability, and continuous improvement. Their platform reduces development complexity while improving collaboration across engineering and product teams. And the best part? They offer a Freemium plan that allows users to explore core AI development features at no cost. Paid plans provide higher usage limits, advanced workflow capabilities, enterprise security, team collaboration, and premium support for large-scale AI deployments.