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Vellum
Your personal AI assistant that remembers, learns, and takes real action across every platform you use.
www.vellum.aiVellum is a personal intelligence platform with a persistent AI assistant that has deep memory, its own identity, and the ability to act autonomously. It can send emails, manage calendars, browse the web, control your Mac, and more.
It offers one-click cloud deployment or fully self-hostable infrastructure. The three-layer memory system (workspace files, curated personal knowledge base, and auto-extracted long-term memory with confidence scoring and reinforcement tracking) sets it apart from every other assistant.
Overview
| License | MIT |
| Pricing | Free + API costsPaid plans available for managed cloud |
| Ease of setup | Very easyOne-click cloud deploy or self-host |
| Cloud hosting | Managed cloudAlways-on sandboxed environment |
| Self-hosted | YesDesktop app, ~/.vellum/workspace/ |
| Multi-model | Any LLMOpenAI, Anthropic, Google, OpenRouter, Fireworks, Ollama |
Strengths & Weaknesses
| Strengths | |
| Easiest setup. One-click cloud deploy, no Docker or config files | |
| Broadest channel coverage of any assistant (9 channels) | |
| Best-in-class persistent memory with three layers | |
| Enterprise-grade security with sandboxed credentials | |
| Managed OAuth for 10+ services | |
| Multi-model support including open-source LLMs | |
| Self-improving skills that learn from interactions | |
| Weaknesses | |
| No Windows app yet | |
| Plugin ecosystem still growing compared to OpenClaw/Hermes | |
| Paid plans required for full managed cloud features | |
Links
Capabilities
| Memory & Intelligence | |
| Persistent memory | Managed memoryThree-layer system with auto-extraction, confidence scoring, reinforcement tracking |
| Self-improving skills | YesLearns patterns, habits, preferences from interactions |
| Cross-session context | Full context carryoverIDENTITY.md, SOUL.md, USER.md, NOW.md loaded every session |
| Security | |
| Credential management | Sandboxed credentialsIsolated per-pod credential executor; LLM never sees raw values |
| Permission system | Custom permissioningGranular tool-level access controls, risk tolerance tiers |
| Network isolation | Pod-level isolationEach assistant runs in its own Kubernetes pod |
| Integrations | |
| OAuth connections | Managed OAuthGoogle, GitHub, Notion, Linear, Twitter/X, Outlook, and more |
| MCP support | Yes |
| Plugin ecosystem | GrowingSkills catalog at skills.sh; custom skills via SKILL.md |
| Automation | |
| Scheduled tasks | YesRRULE, ISO 8601, execute and notify modes, timezone-aware |
| Heartbeat monitoring | Yes |
Channels & Platforms
| iOS | Yes | Native app |
| macOS | Yes | Native app |
| Windows | No | |
| Web | Yes | |
| CLI | Yes | |
| Voice | Yes | Built-in via Twilio |
Yes | Own email address | |
| Telegram | Yes | |
| Slack | Yes | Socket Mode |
