Listed as Pika's free plan includes 0 monthly credits, so you need to buy a credit pack or subscribe before generating anything. Starter is $10/month ($8/month billed yearly) with 900 credits, Creator is $35/month ($28 yearly) with 3,150 credits and a commercial license, and Fancy is $95/month ($76 yearly) with 8,550+ credits, unlimited parallel generations, and priority queue.