Agent Memory Cost 14 Points at Best. Test With It Off.
MemTrapBench tested five agent-memory frameworks against a no-memory baseline on multi-turn business dialogues. All five scored worse — 85.16% down to 71.17% at best on Gemini-3-Flash — because correct, relevant memories anchor the model to the previous task's framing.
August 23, 2026 · 12 min read