r/AI_AgentsI measured memory vs "just send the whole history" over 90 simulated days: 23-62x fewer context tokens, same or better recall on personal facts, and one place where memory clearly loses (numbers + method)
Everyone building an agent hits the same fork: keep a memory layer, or send the full conversation history every request. I run a memory API, so discount accordingly; the point of this post is the measurement, and the losses are in it. Setup. Three synthetic dialogue corpora with…