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
Chat with 600+ AI models (GPT-5.5, Claude Opus 4.8, Gemini 3.5 Flash, Grok 4.3)
Image generation (Nano Banana Pro, GPT-5 Image, FLUX.2 Pro, Seedream 4.5)
Video generation (Sora 2, Veo 3.1, Seedance 2.0, Kling 2.6, PixVerse 5.5)
Web search with citations (Sonar Pro)
Upload and chat with any file (no size limit)
Custom AI agents and assistants for workflows
Prompt library and builder for reusable prompts
Voice chat (dictation and text-to-speech)
Multi-model side-by-side comparison
Model fallback (automatic provider switching)
Usage dashboard for tracking consumption
Projects – organize chats with file sources and instructions
OpenAI-compatible API for external tools
MCP integrations (8000+ tools including Gmail, Slack)
Kimi K2.7 Code model for coding tasks (since June 2026)