Vellum AI

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Overview

Vellum AI is a personal AI assistant hosted in a secure cloud environment, featuring its own identity, memory, and tools for real-world actions. It handles tasks like email management, calendar checks, web browsing, app building, phone calls, and social media posting. Targeted at individuals seeking an always-on assistant across devices, it stands out with persistent memory, editable personality files, and direct integrations with services like email, Slack, and calendars.

Key Features

Persistent Memory - Remembers user preferences, projects, and context across all conversations and sessions.
Tool Integration - Executes actions like browsing web, reading files, sending emails, managing calendars, and posting to social media.
Screen Control - Controls Mac via accessibility APIs for clicking, typing, and navigating apps, with user approval for sensitive actions.
Voice Interaction - Supports push-to-talk or always-listening voice commands for spoken queries and responses.
Custom Skills - Users create and manage custom skills to adapt the assistant's capabilities.
Editable Identity Files - SOUL.md, IDENTITY.md, and USER.md files allow customization of personality and user knowledge.
Multi-Platform Access - Accessible via web app, macOS desktop, iOS mobile, and CLI with unified memory.

Pricing

Plan	Price	Includes
Free	$0	Basic assistant access, limited tools and usage.
Pro	Not specified	Full tools, higher usage limits, advanced features like custom skills.
Enterprise	Custom	Dedicated support, enhanced security, team features.

Platforms & Requirements

Runs in browser at vellum.ai with no install required; native apps for macOS (with screen control via accessibility APIs), iOS, and CLI. Cloud-hosted for always-on availability even when devices are off. macOS requires accessibility permissions for full functionality.

Integrations & Ecosystem

Email (Gmail, own inbox)
Calendar
Slack
X (Twitter)
Web browser
Phone calls
Files and documents
Screen control (macOS)

Alternatives

App	Difference
ChatGPT	ChatGPT is conversational without persistent memory or real-world action tools like email or calls.
Claude	Claude focuses on text responses and lacks identity, tools, or multi-platform persistent assistant features.
Google Assistant	Google Assistant is device-bound and less customizable compared to Vellum's cloud-based memory and editable personality.
Otter.ai	Otter.ai specializes in transcription while Vellum offers broad personal assistance with actions and memory.

Reputation

Vellum AI is viewed as an innovative personal AI assistant for its action-oriented tools and cross-platform memory. Users appreciate the persistent context and real-world integrations like calls and screen control. Some note limitations in pricing transparency and dependency on macOS for advanced features.

Sources (7)