For AI Commands and AI Tools, we use OpenAI's GPT 4o mini. On the Solo plan, 20k words/month of AI Commands are available. On the Basic and Team plans, it's a significant jump in AI words available, subject to a daily Fair Use limit of 80k words/day.
For our AI Article Wizard (available with the Add-on for $34.99/month), we use OpenAI's regular GPT4o. The AI Article Wizard also uses our in-house Natural Language Processing AI to infuse important semantic SEO topics into the article.