There are several free AI websites where you can ask questions and get answers. Some of the most popular ones include:
1. **ChatGPT by OpenAI** - Offers conversational AI that can answer a wide range of questions and assist with various topics.
2. **Google Bard** - Google’s conversational AI that can help with questions similar to ChatGPT.
3. **Quora** - While not purely AI-driven, Quora allows users to ask questions and receive answers