Choose an AI Tier and Check Your Credits

Learning Modes and AI Tiers

A learning mode such as Q&A or Flashcards determines the activity. A model tier, Fast, Think, or Expert, affects the AI's capabilities, response speed, and credit use. Changing the tier leaves your current chapter and learning mode in place.

For example, choose Flashcards when you want short practice questions. Consider a different tier when a problem needs more analysis. If you are unsure which activity fits, read how to choose a learning mode.

Choose an AI Tier

Open the course’s AI coach and click the tier icon on the right of the input row before typing. Desktop and mobile share the same layout: input, tier icon, and Send appear in one row. The menu shows Fast, Think, Expert, and any access requirement. The tier control is hidden while there is text in the input field or a reply is being generated.

┌──────────────────────────────────────────────────────────────┐
│ Current mode: name and available status    [× Exit]          │
│ ──────────────────────────────────────────────────────────── │
│ Type a question or answer        [Tier icon] [Send]          │
└──────────────────────────────────────────────────────────────┘
                                  ↓ Click before typing
                                  Fast / Think / Expert

If you are unsure, start with the default. Fast is suited to a quick check or straightforward question. Consider Think when you need analysis, a comparison, or help revising an answer. Expert suits more complex reasoning and deeper feedback and needs Pro or Max access. The interface shows which options are currently available to you.

Pair your chosen tier with a clear question. Explain where you are stuck and what you have tried before deciding whether more analysis would help.

Check Your Credits

Check the balance beside the wallet icon at the top of the AI coach. Clicking it expands or collapses the number; use Pricing for purchases. The signed-in avatar menu also shows available credits. Open Pricing for allowances and purchase options.

If a balance update fails, follow the message asking you to refresh the page. An earlier balance may no longer be accurate. After an AI interaction, look at the updated balance too. What each interaction costs depends on its actual usage.

Credits are used to generate AI replies, learning reports, and other content. Usage depends on the actual request and selected tier. Open Learning status to review your understanding.

Credit Types and Memberships

Free monthly credits expire at month end without rolling over. Membership credits last for their membership period. Separately purchased credits do not expire when a membership period ends. Check Pricing for current quantities, purchase eligibility, and prices rather than relying on an old screenshot.

Pricing provides membership and credit purchase options. Credit packs have eligibility requirements. Buying extra credits leaves your membership tier and duration unchanged. Course access is a separate condition; see accounts and course access.

When Credits Run Out

Follow the page message to check your allowance or available purchase options. You can still read tutorials you have access to and review saved conversations and reports. Actions that generate new AI content need available credits.

If generation fails despite an available balance, read the specific message and follow the troubleshooting guide rather than repeatedly sending the same request.