PyGPT is a versatile open-source AI assistant designed for personal use on desktop systems such as Linux, Windows, and Mac, and it is developed using Python. It operates in a manner akin to ChatGPT but functions locally on your computer, providing features like chat, image and video generation, vision capabilities, voice control, and more. Supporting a variety of models, PyGPT includes options like OpenAI's GPT-5, GPT-4, o1, o3, o4, Google Gemini, Anthropic Claude, xAI Grok, Perplexity Sonar, DeepSeek, Mistral AI, alongside models from Ollama and LlamaIndex. Users can choose from 12 operational modes, including chatting with files, real-time audio interactions, research, completion tasks, and various imaging capabilities. With integrated LlamaIndex support, users can engage with their personal files and data seamlessly. Additionally, PyGPT features built-in vector database capabilities, automated embedding of files and data, and maintains full conversation context alongside both short- and long-term memory. The assistant is equipped with internet access through platforms like Google, Microsoft Bing, and DuckDuckGo, enhancing its functionality, which also includes speech synthesis and recognition, making it a comprehensive tool for productivity. Overall, PyGPT stands out as an innovative solution for those seeking a powerful local AI assistant.