Features
Built-in API key for instant GPT-3.5, GPT-4, GPT-4 Turbo 1106, GPT-4 Vision, GPT-4 32k, Claude 2 access
Use your own OpenAI API key
Tabbed conversations for multiple chat sessions
Markdown rendering with headings, code, lists
Global shortcut key to show/hide window
iCloud sync for prompts across devices
Prompt tabs for organizing different prompt templates
GPT-4 Vision image analysis
Assistant API with code interpreter and knowledge retrieval for documents (PDF, XML, TXT, JSON, CSV, MD)
Local storage of conversations
Apple Keychain security for API keys
Multi-language support (translated via ChatGPT)
Native macOS interface with small memory footprint
Pay-as-you-go token bundles (1.3M, 2.66M, 4M tokens)
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)