The External AI section provides a central place to manage your billing and usage when working with external AI models such as OpenAI, Anthropic, Gemini, Grok, DeepSeek, and Open Source models.

To access this, click on your profile icon in the top-left corner and select "External AI". Here you can:

• View billing details and credit usage

• Understand pricing across different AI models

• Track your usage history

First in this page, there's a "Top up now" button where you can buy new credit to use the External AI models. Below that, you can click "Billing history" to check your transactions. Below that, there are 3 sections: External AI, Pricing, and Usage History

External AI

• See detailed information for each model.

• You can also add your API key here to use them

How to access:

1. Click your profile icon (top-left).

2. Select External AI Credit Billing from the menu.

3. Or go directly to the External AI Credit Billing page.

Pricing

• Pay as you go: you only pay for what you use.

• Choose from several top-tier AI models, each with its own per-token price and strengths.

• Pricing is per token: input tokens and output tokens are billed separately.

• 1,000,000 tokens ≈ 750,000 words → your cost scales with the size of prompts and responses.
  Tip: To save tokens, start a new conversation when past context isn’t needed. Token count includes the current message, chat history, and system prompts.

Usage History

• Review your detailed usage across external AI models.

• History shows interaction time, input cost, output cost, and total credits spent.

• Note: Usage history is available after you’ve topped up credits.