Features
Keyboard Extension – use AI in any macOS app (Messages, Notes, Mail)
Voice Chat – hands-free conversation with AI
Text to Image – generate images from text prompts
Image Chat – engage using images and emojis
System-wide Translation – select text for instant translation
Siri Integration – quick AI access via Siri Shortcuts
iCloud Sync – sync conversations across devices
Markdown Rendering – bold, italics, links in chat
LaTeX Formula Rendering – display math expressions
Prompt Library – pre-made prompts for quick starts
Multiple Model Support – local models, API keys, cloud, Apple Intelligence
Web Search – available on OpenCat Cloud and select providers
Text to Speech – AI response read aloud
Join Team – share chats and get tips
MCP Support – Model Context Protocol and tool calls
Text conversations with GPT-5.5 Instant, Thinking, Pro
Image generation (DALL·E integrated)
Voice conversations with video support
Real-time web browsing (paid plans)
File upload (images, PDFs, spreadsheets, code)
Code interpretation and execution (Codex)
Agent mode (Atlas) for autonomous task completion
Custom instructions and memory
Projects, tasks, and custom GPTs
Group chats and shareable links
Mobile app (iOS, Android)
Desktop app (macOS, Windows)
Square integration for restaurant orders