Prism
Raycast AI
MacGPT
ChatGPT Desktop
TypingMind
BoltAI
Performance & Architecture
UI Architecture
Native SwiftUI
Hybrid
Hybrid
Native
Web / PWA
Native
Startup Time
< 0.2s
~0.5s
~0.5s
1–3s
1–3s
< 0.3s
Storage Engine
SQLite
SQLite / Rust
WebKit / Prefs
SQLite
IndexedDB
SQLite
Local API Connection
✔
✘
✘
✘
✘
✘
Process Lifecycle
Clean Exit
Persistent
Menu Bar
Persistent
Browser Tab
Clean Exit
Core Capabilities
MCP & Tool Registry
✔
✔
✘
✘
✔
✔
Browser Automation
✔
✘
✘
✘
✘
✘
Local Models (Ollama)
✔
✔
Partial
✘
✔
✔
Multi-Provider Chat
✔
✔
Partial
✘
✔
✔
iCloud Chat Sync
✔
✔
✘
✔
✔
✔
Model Comparison Mode
✔
✘
✘
✘
✔
✘
Interactive Study Tools
✔
✘
✘
✘
✘
✘
Dedicated Extension
✔
✘
✘
✘
✘
✘
Pricing & Licensing
Free / $8 / $40
Free / $8/mo
From $0
Free / $20/mo
From $39
From $79