OpenCode

OpenCode is a fast terminal-first AI coding agent. It reads a JSON config file where you can register Qubax as a provider with a custom base URL and API key, then select any of 340+ models.

Config

{
  "provider": {
    "qubax": {
      "npm": "@ai-sdk/openai-compatible",
      "name": "Qubax",
      "options": {
        "baseURL": "https://api.qubax.ai/v1",
        "apiKey": "YOUR_API_KEY"
      },
      "models": {
        "gpt-5": {
          "name": "GPT-5"
        }
      }
    }
  }
}

Setup steps

1. 1

   Install OpenCode

   Install OpenCode following the instructions at opencode.ai (typically via npm or the standalone binary).

2. 2

   Create the config file

   Create ~/.config/opencode/config.json with the provider block shown above.

3. 3

   Set the provider and model

   Inside the config, register a provider named "qubax" with baseURL set to the Qubax endpoint, your apiKey, and a models entry for gpt-5.

4. 4

   Run opencode

   Launch opencode in your terminal. Select the qubax provider and the gpt-5 model from the picker.