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Vellum AI
AI Agents
Overview
A production-grade AI agent framework for developers that provides unified governance, observability, and evaluation tools. It enables teams to build, test, and deploy reliable multi-agent workflows.
Vellum is a development platform for taking LLM features and agents from prototype to reliable production, with prompt management, evaluation, observability, and deployment in one place. Its emphasis on testing and governance helps teams ship AI they can trust. It targets companies operationalizing agentic workflows.
Key Features
- Prompt engineering and version management
- Systematic evaluation and testing
- Observability and monitoring in production
- Workflow and agent deployment tools
- Collaboration across technical and non-technical teams
Best For
Teams moving LLM and agent features into governed, observable production.
Pros & Cons
Pros
- Strong evaluation and testing focus
- End-to-end prototype-to-production tooling
- Good cross-team collaboration
Cons
- Enterprise platform, not a free library
- Overhead is overkill for small experiments
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Pulse Verdict
“The 'Adult in the Room' for AI agents. Vellum provides the infrastructure needed to move agentic pilots into secure, observable production environments.”
Pricing
Paid plans by usage and seats; enterprise pricing on request.
Pricing changes often — confirm current plans on the official site.