> ## Documentation Index
> Fetch the complete documentation index at: https://openrouter.ai/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# InputUnion

The input to the generation — either a prompt string or an array of messages

## Supported Types

### `components.Input1`

```python theme={null}
value: components.Input1 = /* values here */
```

### `components.Input2`

```python theme={null}
value: components.Input2 = /* values here */
```