Vellum

Input—per 1M tokens

Output—per 1M tokens

Context—tokens

WeightsClosed

About

Vellum is ranked #18 of 66 in AI agent platforms on Inferse. It runs on Android, Browser extension, iOS, macOS, Self-hosted, Web, Windows. There is a free plan. Paid plans start at $30/mo.

Compared on AI agent platforms

Free plan: Yesvellum.ai
Paid from: $30/movellum.ai

Facts

Product: Vellum describes itself as a personal AI assistant that can read files, manage calendars, send email, run code, and control a computer.vellum.ai · 30 Sept 2026
Memory: The assistant saves preferences and context to its workspace for use across conversations.vellum.ai · 30 Sept 2026
Custom skills: Users can create, install, and manage skills to extend the assistant's capabilities.vellum.ai · 30 Sept 2026
Integrations: Listed OAuth services include Discord, GitHub, Google services, HubSpot, Linear, Twitter (X), Asana, Notion, Microsoft Outlook, and Todoist.vellum.ai · 30 Sept 2026
Integration security: Vellum says OAuth tokens are stored in a credential vault and are not exposed to the language model.vellum.ai · 30 Sept 2026
Approval controls: Sensitive actions prompt the user for approval, and users can configure trust rules for standing permissions.vellum.ai · 30 Sept 2026
Cloud hosting: Vellum Cloud runs assistants in isolated environments with private storage and 24/7 availability.vellum.ai · 30 Sept 2026
AI data routing: By default, conversation context is sent to Anthropic to generate responses; the docs also list OpenAI, Google, OpenRouter, Fireworks, and local Ollama as alternatives.vellum.ai · 30 Sept 2026
Training and telemetry: Vellum says it does not use user data for model training, and optional usage analytics and crash diagnostics are off by default.vellum.ai · 30 Sept 2026
Offline use: Vellum says the assistant cannot respond without an internet connection because it needs to reach an AI model provider.vellum.ai · 30 Sept 2026
Linux availability: There is no shipped Linux desktop client; Linux users can use the web app, Chrome extension, or self-host the runtime.vellum.ai · 30 Sept 2026
Support: Vellum lists support contact as [email protected].vellum.ai · 30 Sept 2026
Audience: Vellum characterizes the product as a personal assistant rather than a team or shared company tool.vellum.ai · 30 Sept 2026
Company security commitments: On its About page, Vellum says it encrypts data end-to-end, conducts continuous security audits, and does not train on personal information.vellum.ai · 30 Sept 2026