If you have a Pro AI subscription, you will get 750 credits every month, and if you have a Business AI subscription, you will get 1000 credits every month. Whether you choose an annual or monthly plan, your credits will be renewed monthly as long as your subscription does not expire. Since an AI-generated deck is 30 credits, you can create 25 decks with 750 credits and approximately 33 decks with 1000 credits. However, other AI features may cost various credits, you can check out the AI usage article for detailed information on AI credits.