You are charged based on tokens usage. Tokens are pieces of words used for natural language processing.To learn more about how tokens work and estimate your usage you can visit OpenAI Tokenizer tool at https://platform.openai.com/tokenizer.

We accept all major credit cards. All payments are processed securely through our payment providers.

Not at the moment, but we are working to offer multiple pricing tiers in the upcoming months.

Since it is a web-based app, you’ll always have access to the latest version.