Vellum
Vellum is an AI platform for building agents to automate boring operational tasks.
Free + paidmobilewebcliLLM-based
Visit websitevellum.ai
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Vellum is an AI platform for building agents to automate boring operational tasks. It provides a Workflow Development IDE with a visual graph builder for orchestrating complex AI systems, alongside a full-stack SDK for Python and TypeScript. Key features include prompt engineering tools with side-by-side comparison modes, RAG infrastructure for document ingestion and search, and comprehensive evaluation metrics to track performance. Targeting developers, it supports arbitrary code execution and connects to over 1,000 tools. The service starts for free, using credits for agent creation and editing.
Key features
- Workflow Development IDE
- Prompt engineering with comparison mode
- RAG and document ingestion
- Python/Typescript SDK
- Evaluation metrics
Pricing
Use cases
- Automated SEO writing
- Sales meeting preparation
- Product signal tracking
Who it is for
Developerssoftware teams
Integrations
OpenAIAnthropicAWS BedrockAzureLangChainHugging Face
Tags
APIRAG
How we verified this
Company, pricing, and feature details come from the primary sources below and our latest verification pass. When sources disagree, the official source and the most recent check win.
Last verified 09/10/2026Verified sources: 1
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