ES-MemEval QA (Long Context) - Information Extraction: leaderboard

Metric: Token-level F1 (%; answers scored against human-checked reference answers; questions that find facts stated within or across sessions; 271 questions; no retrieval: the dialogue history (11K-19K tokens per user) within the context window the paper gave each model, 128K tokens for the open models, 4K for gpt-3.5-turbo and 16K for gpt-4o). Source: arxiv.org. Saturation forecast: Estimated already saturated. 5 models tracked.

Top models

#ModelScore
1GPT-4o20.2
2Mistral Small 3.113.4
3Phi-3-medium-128k-instruct11
4GPT-3.5 Turbo10.6
5Ministral-8B-Instruct-24103.2

Interactive version: theaggregate.ai/benchmark?slug=es-memeval-qa-long-context-information-extraction · How It Works · Data refreshed daily, snapshot 2026-09-26.