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Pezzo vs Vellum

Pezzo

5.3#25 in prompt management software
WebAPISelf-hosted
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Vellum

8.7#1 in ai agent platformsFrom $30 a month
Free planAndroidiOSWebAPI
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What both publish

FactPezzoVellum
Cloud hostingPezzo Cloud is described as a fully managed version hosted and managed by the Pezzo team.The default deployment provisions an always-on assistant in an encrypted, account-isolated Vellum Cloud workspace with no server administration required.
IntegrationsPezzo documents LangChain integration for observability and monitoring, with Node.js and Python examples.OAuth integrations include GitHub, Notion, Linear, Airtable, Spotify, Gmail, Google Calendar, Slack, and other services, while MCP servers provide additional tools.
ProductPezzo is an open-source toolkit for AI development.Vellum describes itself as a personal AI assistant that can read files, manage calendars, send email, run code, and control a computer.

Pezzo plans

No prices published.

Vellum plans

  • BaseFree
  • FreeFree
  • Mighty$30 a month
  • Mighty$30 a month
  • Custom$50 a month
  • Super$100 a month

Pick Pezzo if…

Pezzo suits developers and teams managing prompts, model requests, and observability in web, API, or self-hosted environments. It is especially relevant to Node.js or Python users and teams wanting an open-source proxy.

Pick Vellum if…

Vellum suits individuals seeking an assistant for files, calendars, email, code, and computer tasks. It is characterized as a personal assistant rather than a team or shared company tool.

Charts they share