A simple, one-command tool for downloading and running open models locally; it wraps llama.cpp and serves a local API, prioritizing ease of use.
Ollama is the easiest on-ramp to running models on your own machine. You install it, run something like "ollama run llama3," and it pulls a ready-to-go quantized GGUF and starts chatting — no manual file wrangling. It runs on macOS, Windows, and Linux.
Under the hood it builds on llama.cpp for inference and adds a model library, automatic downloads, and a local HTTP API so other apps can talk to your local model. It will use your GPU if available and fall back to CPU otherwise.
Ollama optimizes for convenience over maximum throughput. For a single user on a laptop or desktop it's ideal; for high-traffic serving you'd reach for something like vLLM. It's one of the "local" options Spanvero recommends when the cheapest way to run a model is your own hardware.
llama.cpp · LM Studio · GGUF · Local vs API vs renting a GPU
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