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 Agent
✔
✘
✘
✘
✘
✘
Local Models (Ollama)
✔
✔
Partial
✘
✔
✔
Multi-Provider Chat
✔
✔
Partial
✘
✔
✔
iCloud Chat Sync
✔
✔
✘
✔
✔
✔
On-device Anticipations
✔
✘
✘
✘
✘
✘
Model Comparison Mode
✔
✘
✘
✘
✔
✘
Interactive Study Tools
✔
✘
✘
✘
✘
✘
Dedicated Extension
✔
✘
✘
✘
✘
✘
Deep Research
✔
Partial
✘
✔
✔
Partial
Image Generation
✔
✔
Partial
✔
✔
✔
Voice Input & Dictation
✔
✔
Partial
✔
✔
✔
System-wide Writing
✔
✔
Partial
Partial
✘
✔
Screen & App Context
✔
✔
✘
✔
✘
Partial
Background Agents
✔
✔
✘
✔
✔
Partial
File & Document Creation
✔
Partial
Partial
✔
✔
Partial
Knowledge Base & Memory
✔
✔
✘
✔
✔
Partial
Pricing & Licensing
Free / $3/mo / $15/mo / $60
Free / $10/mo / $20/mo
From $0
Free / $20/mo
From $39
From $79