How to Connect to Local Ollama: A Complete Setup Guide

Running a large language model on your own machine is one of the more empowering things you can do as a developer or power user. Ollama makes it surprisingly approachable — but connecting to a local Ollama instance involves more than just installing the app. Whether you're building an app, using a front-end UI, or calling the API from a script, the connection path varies depending on your setup.

What Ollama Actually Does Under the Hood

When you install and run Ollama, it starts a local HTTP server on your machine. By default, that server listens on http://localhost:11434. This is a REST API — the same style of interface used by cloud AI providers — except everything runs locally, with no data leaving your machine.

This means connecting to Ollama isn't really about "connecting" in a network sense the way you'd think of pairing Bluetooth devices. It's about pointing a client — whether that's a terminal, an application, or your own code — at that local address and port.

The Default Connection: localhost:11434

The simplest way to verify Ollama is running and reachable is to open a browser or terminal and check:

If Ollama is running, you'll see a plain text response like Ollama is running. That confirms the server is active and accepting connections.

From the terminal, you can also use: