ES-MemEval QA (RAG) - User Modeling: leaderboard

Questions that need the user's traits, preferences and changing state inferred (251 questions). ES-MemEval (Chen et al., Tongji University, 2026) asks questions about the long emotional-support chat histories of 18 virtual users (about 22 sessions and 13K tokens each), scored by token-level F1 in percent against human-checked reference answers; higher is better. The model answers from the four most relevant full sessions, retrieved with bge-m3 from a FAISS index.

Metric: Token-level F1 (%; answers scored against human-checked reference answers; questions that infer the user's traits, preferences and changing state; 251 questions; bge-m3 retrieval of the four most relevant full sessions from a FAISS index). Source: arxiv.org. Saturation forecast: Estimated already saturated. 5 models tracked.

Top models

#ModelScoreOverall rank
1GPT-3.5 Turbo22#2773
2GPT-4o21.2#741
3Mistral Small 3.116.4#1699
4Phi-3-medium-128k-instruct13.4#3623
5Ministral-8B-Instruct-241012.6#4720

No result here: #1 Claude Fable 5.2, #2 Gemini 4 Carbon, #5 Claude Opus 5.5.

Interactive version: theaggregate.ai/benchmark?slug=es-memeval-qa-rag-user-modeling · How It Works · Data refreshed daily, snapshot 2026-11-12.