# List CUDA GPU devices

- **Method:** `GET`
- **Path:** `/api/v1/system/gpu-devices`
- **Operation ID:** `gpu_devices_api_v1_system_gpu_devices_get`
- **Tags:** System

Return available CUDA devices with names/VRAM and the currently selected index.

## Effective servers

- `http://127.0.0.1:8100`

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## Responses

### 200 Successful Response

**Content type:** `application/json`

schema: `GpuDevicesResponse`

- **`current_index` (required)**: `integer`

  Currently selected device index
- **`devices` (required)**: `array`

  Available CUDA GPU devices

  **Items:**

  schema: `GpuDevice`
  - **`index` (required)**: `integer`

    CUDA device index
  - **`name` (required)**: `string`

    GPU device name
  - **`vram_mb` (required)**: `integer`

    Available VRAM in megabytes

**Example:**

```json
{
  "devices": [
    {
      "index": 1,
      "name": "",
      "vram_mb": 1
    }
  ],
  "current_index": 1
}
```

## Schemas

- `GpuDevice` — shown above.
- `GpuDevicesResponse` — shown above.