Are there AI platforms available for answering questions free of charge?

Yes, there are AI platforms available for answering questions free of charge. Two notable platforms mentioned in the search results are:

1. iAsk AI: An advanced free AI search engine that allows users to ask questions in natural language and receive instant, accurate, and factual answers.
2. Quizgecko: An AI-powered platform that can create quizzes, exams, and assessments from text using artificial intelligence.

Both iAsk AI and Quizgecko offer their services at no cost, allowing users to ask questions and generate tests or quizzes without any charges. Keep in mind that additional features or services on these platforms may require paid subscriptions, but for basic question-answering and quiz generation, they are available at no cost.