Grok is a free AI chatbot built by xAI that lets you chat via text or voice, generate images and videos, and search the web in real-time.

An AI-powered answer engine that delivers accurate, cited answers to any question using real-time web search and advanced language models.

ChatGPT is OpenAI's conversational AI assistant that answers questions, writes content, analyzes data, generates images, and helps with a wide range of tasks through a chat interface.

Programming interface for accessing GPT and other AI models for various applications.

An autonomous, self-improving AI agent by Nous Research with a built-in learning loop that creates skills from experience, builds persistent memory, and runs anywhere from a VPS to serverless infrastructure.

AI-powered coding assistant that helps developers write, understand, and debug code with intelligent suggestions and explanations.

Cursor is an AI-powered coding agent and editor that helps developers plan, build, debug, and review software using frontier language models.

A lightweight, open-source coding agent from OpenAI that runs locally in your terminal, enabling AI-powered software engineering tasks from the command line.

Claude Code is an agentic coding tool by Anthropic that works in your terminal, understands your codebase, and helps you write, edit, debug, and ship code faster.