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

# Premium Features & Surcharges

> Understand premium and extra charge categories and where they appear in the current billing UI.

**Access:** Use **Settings → Account → Billing → Current Subscription**.

## Premium and Extra Charge Categories

Premium and extra charges appear in Billing when the related features are used.

***

## What Can Add Charges

| Category in Billing | Typical source                               |
| ------------------- | -------------------------------------------- |
| **Premium LLM**     | Higher-cost language model choices           |
| **Premium STT**     | Premium transcription providers              |
| **Premium voice**   | Premium TTS/voice providers                  |
| **Recording**       | Call recording usage                         |
| **Connection**      | Outbound connection-related fees             |
| **Analysis**        | Premium post-call or analysis features       |
| **Knowledge bases** | Knowledge retrieval and RAG usage            |
| **Web search**      | Web search calls made by agents or tools     |
| **Minutes overage** | Usage above included minute limits           |
| **Other**           | Additional billable events not grouped above |

***

## Where You See These Charges

In **Pending Extra Charges**, each line item includes:

* **Item**
* **Usage**
* **Rate**
* **Amount**

The same panel also shows progress toward the current auto-charge threshold.

***

## Selecting Premium Providers in Agent Editor

<Badge>Expert Mode</Badge>

Provider-level selection is controlled in the Agent Editor.

See:

* [Choose AI Model](/build/voice-speech/choose-ai-model)
* [Select Voice](/build/voice-speech/select-voice)
* [Transcriber](/build/voice-speech/transcriber)

***

## Cost Control Tips

<CardGroup cols={2}>
  <Card title="Default First" icon="check">
    Use standard providers by default and introduce premium providers where quality impact is measurable.
  </Card>

  <Card title="Review Weekly" icon="calendar">
    Check Pending Extra Charges weekly so you can adjust before thresholds are reached.
  </Card>
</CardGroup>

***

## Next Steps

<CardGroup cols={2}>
  <Card title="Usage Pricing" icon="calculator" href="/billing/usage-pricing">
    Understand overage and usage behavior
  </Card>

  <Card title="Phone Numbers" icon="phone" href="/billing/phone-numbers">
    Understand telephony and number costs
  </Card>

  <Card title="Compare Plans" icon="layer-group" href="/billing/plans">
    Compare included limits and plan actions
  </Card>

  <Card title="Choose AI Model" icon="microchip" href="/build/voice-speech/choose-ai-model">
    Configure model selections
  </Card>
</CardGroup>