Perplexity AI is a research-driven AI chatbot that gives accurate, real-time answers with citations. It reads the web, summarizes articles, and provides verified information, making it ideal for deep research.

Microsoft Copilot is an AI assistant integrated across Windows, Edge, and Microsoft apps. It helps you write, summarize, browse smarter, generate images with DALL·E, and automate daily tasks — making it great for productivity and workflow management.

Claude is an AI assistant created by Anthropic, currently in its fourth generation with Claude Sonnet 4.5 being the smartest and most efficient model for everyday use. It’s accessible through web, mobile, and desktop interfaces, as well as via API for developers, and can assist with tasks ranging from writing and analysis to coding and problem-solving while maintaining strong ethical guidelines around safety and harmful content.

Google Gemini (formerly Bard) is a multimodal AI assistant designed for productivity and research. It can understand text, images, and documents, offering smart summaries, content generation, coding help, and deep analysis powered by Google’s ecosystem.

ChatGPT is a powerful conversational AI developed by OpenAI that helps users write content, generate ideas, solve problems, code, research, learn, and automate tasks using natural language. It is widely used across different industries because of its accuracy, creativity, and multi-functionality.