Overview
Vellum is a comprehensive development platform designed for engineering and product teams to build, evaluate, and monitor production-ready Large Language Model (LLM) applications.
Key Features
- Prompt Engineering & Playground: Experiment with multiple LLMs side-by-side, test prompts, and optimize model parameters.
- Evaluation & Benchmarking: Rigorously evaluate model outputs using custom metrics, test suites, and automated regression tests.
- LLM Workflows & Orchestration: Build complex AI workflows and chain multiple prompts or API calls with visual node graphs.
- Monitoring & Observability: Track operational latency, API costs, execution logs, and user feedback in real time.
Use Cases
- Building intelligent conversational agents and custom AI tools.
- Rapidly benchmarking different LLM providers for quality and cost efficiency.
- Transitioning AI prototypes seamlessly from sandbox environments to production.




