Credits are PicX Studio's generation currency. Each generation type costs a fixed amount: Nano Banana 2 image = 15 credits, Nano Banana Pro image = 30 credits, video generation with Seedance 2.0 = credits vary by length and resolution. Credits are deducted at the start of generation. If a generation fails due to a system error, credits are automatically refunded within minutes. You can view your credit balance and transaction history in Account Settings. Credits never expire on paid plans.