The price of an AI humanizer varies according to the features you choose to use. Many of these tools offer free versions with basic limits, while premium plans typically range from $10.00 to $50.00 per month. Some of the advanced AI humanizers include features like rewriting, AI detection, summarisation, and more to provide better value for frequent users. Quetext, for example, offers 2000 free words so you can try the tool before upgrading.