Demo 1: GPTLocalhost & LM Studio (model: Llama 3.2) Demo 2: GPTLocalhost & Ollama (model: Llama 3.2) Demo 3: GPTLocalhost & llama.cpp (model: gemma-2b) Demo 4: GPTLocalhost & LocalAI (model: Llama 3.2) Demo 5: GPTLocalhost & Xinference (model: Llama 2)