Ollama's whole value proposition is removing the setup pain from local AI: pull a model with one command, and it handles quantization, GPU/CPU offloading, and a local API automatically. It's become the default on-ramp for anyone who wants to try open-weight models (Llama, Mistral, Qwen, Kimi K2, and more) without wrestling with Python environments. It's not a model itself — it's the runtime — so answer quality depends entirely on which model you pull through it.