Claude, developed by Anthropic using 'Constitutional AI' principles, is an AI assistant focused on honesty and helpfulness. It is particularly renowned for its superior performance in complex coding tasks, technical writing, and nuanced reasoning. Its 'Artifacts' feature allows users to see and interact with code, UI designs, and documents in a dedicated side window. With a massive context window, Claude can analyze thousands of lines of code or entire books in one go, offering a more human-like and less robotic writing style than its peers.