AutoGen vs Vellum
Side-by-side comparison with live GitHub signals. Last updated April 1, 2026.
| Metric | AutoGen | Vellum |
|---|---|---|
| GitHub Stars | 56.5K | — |
| Contributors | 444 | — |
| Last Commit | Mar 29, 2026 | — |
| Open Issues | 722 | — |
| License | open-source | commercial |
| Pricing | open-source | freemium |
| Free Tier | Yes | Yes |
| Category | frameworks | frameworks |
| Trending | No | No |
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About AutoGen
AutoGen is Microsoft's open-source framework for building multi-agent conversational systems where agents can converse with each other and with humans to solve complex tasks. Agents are highly customizable and can use LLMs, tools, and human input in flexible combinations. The framework supports group chats, nested conversations, and code execution sandboxes, making it well-suited for coding assistants, research automation, and enterprise agentic workflows. AutoGen Studio provides a no-code UI for prototyping agent systems visually.
View full listingAbout Vellum
Vellum is an AI development platform with a visual workflow builder, prompt playground, and evaluation suite. It provides both no-code visual tools and a full SDK for building production LLM applications. Enterprise features include version control, A/B testing, access controls, and deployment management.
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