LLM API for GPT, Claude, and Gemini

Integrate GPT, Claude, Gemini, and more through an OpenAI-compatible API with clear token pricing and a setup built for real production workloads.

Model family

Pricing mode

API type

Prompt Cache

Capabilities

Free

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Quickstart API

gpt-4o-mini

Quick CLI setup

Pick your CLI. Install it first (step 1), then run the config command (step 2) to write the config file for this model.

Operating system

Step 1 — Install the CLI first (if you haven't yet)

Skip if you already have this CLI installed.

Step 2 — Config command (run once)

Open Terminal (macOS/Linux) or PowerShell (Windows), paste the command, and enter your API key when prompted.

Uninstall — remove config & CLI

Run one command to restore your previous config (or remove the CKEY config) and see how to uninstall the CLI.

Or call the API directly (cURL / JavaScript)

Base URL

https://api.xah.io/v1

Sample route

Model

gpt-4o-mini

Test API key

YOUR_API_KEY

cURL example

JavaScript example