Choosing the right AI model—ChatGPT, Copilot, Gemini, or Grok—depends on your needs. ChatGPT shines in creativity and general tasks, Copilot excels at boosting Office productivity, Gemini offers real-time search integration, and Grok masters logical reasoning and coding. This guide compares all four, helping you find the perfect match based on usage, features, pricing, and performance in 2025. Make an informed decision today!