Agent / long-term memory

LightMem

LightMem: Lightweight and Efficient Memory-Augmented Generation

Superseded baseline#10 of 63 most-superseded · first seen Oct 21, 2025

Superseded — cited as a baseline and beaten by newer methods

1 papers critique it · 4 beat it on benchmarks

What papers say

Verbatim critique sentences, each from a paper that cites LightMem as a baseline.

Taking LightMem on LoCoMo as an example: open-domain (75.9% accuracy) and single-hop (70.7% accuracy) questions are handled well, but multi-hop reasoning drops to 60.6% and temporal reasoning to just 45.8%.
GRAVITY: Architecture-Agnostic Structured Anchoring for Long-Horizon Conversational Memory

Beaten on benchmarks

Head-to-head results where a newer method reports beating LightMem. Values are copied from the source paper's tables — verify against the cited paper.

What to use instead

Recent methods in the same sub-problem, not yet superseded in the knowledge base — arXiv benchmark leaders, not vetted production recommendations.