Ollama Local LLM

Ollama is a command-line tool for downloading and running open-source large language models on local hardware (laptops, servers). Users run ollama run mistral and interact with a 7B-parameter model via terminal. Ollama handles model download (GGML quantized format, 3-45GB depending on model size), memory management, and inference. It's a bridge between cloud APIs (OpenAI, Anthropic) and self-hosted inference frameworks (vLLM, TensorRT). Ollama trades some customization for ease—users get a working LLM in 2 minutes, not 2 days.