Long-Term Memory

Memory Conflict: What to Do When the User Changes Their Mind

Last month the user said "I like coffee." This month they say "I switched to tea." Two memories conflict: should the old one be deleted? How should the new one be stored? There are four strategies.

Four Conflict Scenarios (click to expand)

Strategy Overview

Four Memory Conflict Handling Strategies

Overwrite Update

When there is a clear old/new relationship

Merge and Extend

When old and new info complement each other

Flag Conflict

When it is unclear which is correct

Skip and Discard

When information is not certain enough

People change their minds. An AI memory system cannot only append — it must also learn to update. The ability to handle memory conflicts determines whether an AI assistant remains accurate over long-term use.