1. Microsoft Copilot is a ChatGPT-4 powered chatbot that can help you browse the web, answer questions, and more. It can be accessed through the Copilot website or Microsoft Edge browser and can be used to ask simple and complex queries and request summaries of articles, books, events, news, sports results, and more. Microsoft Copilot can also be a creative tool, helping you write poems and stories or even share ideas for a project.  copilot.microsoft.com. 

Pricing and terms:  Free

3. Claude (claude.ai) is an AI assistant created by Anthropic. Claude can process large amounts of information, brainstorm ideas, generate text and code, help you understand subjects, coach you through difficult situations, help simplify your busy work so you can focus on what matters most, and more. It uses Constitutional AI to be safe, accurate, and secure.claude.ai

4. Perplexity is another generative AI chatbot that lets users ask questions and get responses conversationally. What seems to set Perplexity apart is that it cites sources that are easily clickable to get more context and more information.perplexity.ai

Pricing and terms: Perplexity is free.

5. Google Gemini is an experimental conversational AI chat service developed by Google. Google Gemini is designed to engage in text-based conversations with users, offering responses and generating human-like dialogue. It uses advanced natural language processing techniques to understand and generate text in response to user prompts, making it a valuable tool for natural language understanding and generation. gemini.google.com 

Pricing and terms: Google Gemini is free.

6. Pi is your personal AI companion, ready to assist you with various tasks and answer your queries. It's designed to be supportive, smart, and available whenever needed. pi.ai 

Pricing and terms: Pi is free.