---
title: "AI Assistants Leaderboard"
description: "Compare the leading personal AI assistant platforms. Side-by-side rankings across native channels, memory, security, hosting, integrations, and pricing."
canonical_url: "https://www.vellum.ai/llm-leaderboard/ai-assistants"
md_url: "https://www.vellum.ai/md/llm-leaderboard/ai-assistants"
type: "leaderboard"
---

# AI Assistants Leaderboard

Compare the leading personal AI assistant platforms. Side-by-side rankings across native channels, memory, security, hosting, integrations, and pricing.

## The Contenders

### Vellum (MIT) — vellum.ai
Your personal AI assistant that remembers, learns, and takes real action across every platform you use.

### OpenClaw (Apache 2.0) — github.com/nichochar/openclaw
An open-source personal AI harness with the largest community-driven skill ecosystem.

### Hermes (MIT) — github.com/nichochar/hermes
A highly customizable, developer-oriented AI harness with 100+ community tools and a plugin architecture.

### Claude Cowork (Proprietary) — docs.anthropic.com
Anthropic's integrated assistant experience tightly coupled to Claude models.

## Category Winners



| Category | Winner | Why |

| --- | --- | --- |

| Easiest to Use | Vellum | One-click integrations, built-in memory and security |

| Most Native Integrations | Claude Cowork | Deepest MCP ecosystem |

| Best Persistent Memory | Vellum | Three-layer memory system with confidence scoring |

| Most Customizable | Hermes | 100+ community-contributed tools, full config control |

| Best Security | Vellum | Sandboxed credentials, pod-level isolation |

| Biggest Community | OpenClaw | Largest active open-source community |

## Platform Support



| Platform | Vellum | OpenClaw | Hermes | Claude Cowork |

| --- | --- | --- | --- | --- |

| iOS | Yes (native) | No | No | No |

| macOS | Yes | Yes | No | Yes |

| Windows | No | No | No | Yes |

| Web | Yes | Yes | No | Yes |

| CLI | Yes | Yes | Yes | Yes |

| Voice | Yes | No | No | Yes |

| Email | Yes | No | No | No |

| Telegram | Yes | Yes | No | No |

| Slack | Yes | No | No | No |

## Links



- Vellum: https://www.vellum.ai

- OpenClaw: https://github.com/nichochar/openclaw

- Hermes: https://github.com/nichochar/hermes

- Claude Cowork: https://docs.anthropic.com/en/docs/claude-code