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

# Chat

> Start an interactive chat session

The `chat` command is the core feature of the Apollo AI CLI, allowing you to interact with various AI models.

## Usage

```bash theme={null}
apollo chat [options]
```

## Options

* `-m, --model <modelId>`: Specify the model to use (default: `gpt-oss-120b`).
* `-s, --system <prompt>`: Set a system prompt for the session.
* `--temp <value>`: Set the temperature for the model (0.0 - 1.0).

## Examples

Start a default chat:

```bash theme={null}
apollo chat
```

Start a chat with a specific model:

```bash theme={null}
apollo chat -m llama3
```

Start a chat with a custom system prompt:

```bash theme={null}
apollo chat -s "You are a helpful coding assistant"
```

## Interactive Commands

While in a chat session, you can use slash commands:

* `/clear`: Clear the current conversation context.
* `/mode`: Switch between different chat modes (e.g., General, Developer).
* `/exit`: Exit the chat session.