opencode/.opencode.json

{
  "lsp": {
    "gopls": {
      "command": "gopls"
    }
  },
  "agents": {
    "coder": {
      "model": "gpt-4.1"
    },
    "task": {
      "model": "gpt-4.1"
    },
    "title": {
      "model": "gpt-4.1"
    }
  }
}