Enhanced ChatGPT Clone: Features Anthropic, OpenAI, Assistants API, Azure, Groq, GPT-4 Vision, Mistral, OpenRouter, Vertex AI, Gemini, AI model switching, message search, langchain, DALL-E-3, ChatGPT Plugins, OpenAI Functions, Secure Multi-User System, Presets, completely open-source for self-hosting. Actively in public development.