AI Memory Systems: Everything You Need to Know

If you have built anything with ChatGPT, Claude, or any large language model in the past year, you have probably hit this wall: the AI forgets what you told it three messages ago. You explain your preferences, share context about your project, and then have to repeat it all over again in the next conversation. This is not a bug. It is how these systems work by default. But it does not have to stay that way. Memory systems for AI are changing how we build applications. Instead of stateless chatbo