Artificial Intelligence (AI) refers to the development of computer systems that can perform tasks that typically require human intelligence. These tasks include understanding natural language, recognizing patterns, making decisions, solving problems, and learning from experience. AI aims to mimic cognitive functions such as perception, reasoning, knowledge representation, planning, and creativity.

Here’s a clear, step-by-step explanation of AI, ML, Deep Learning, and Gen AI (as of 2026). These are not competing technologies – they form a nested hierarchy.