M3Exam (Multimodal Memory) - Multi-Session: leaderboard

M3Exam (2026) is a multimodal conversational-memory benchmark of 5,150 questions over long multi-session user-assistant conversations with images and documents; the frontier models here answer with the gold supporting sessions in context. This board is the LLM-judge score (0-100) on the multi-session questions; higher is better.

Metric: LLM-judge score (0-100) on the multi-session (MS) questions of 5,150 questions over 239 long multi-session user-assistant conversations with images and PDFs (15 personas); each model answers with the annotated gold supporting sessions and their images or rendered pages placed in context, no memory module; scored by a Qwen2.5-VL-32B-Instruct judge on a five-level rubric (0, 0.25, 0.5, 0.75, 1), printed 0-1 and x100 here; higher is better. Source: arxiv.org. Saturation forecast: Around February 2027. 9 models tracked.

Top models

#ModelScoreOverall rank
1GPT-5.462.74#123
2Grok 461.25#307
3GLM-5.160.66#179
4Qwen 3.6 Plus60.04#222
5Claude Opus 4.656.87#102
6Gemini 3.1 Pro (Preview)54.37#94
7Kimi K2.545.36#256
8Seed 2.0 Pro36.07#211
9Qwen 2.5 VL 7B Instruct34.71#1833

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

Interactive version: theaggregate.ai/benchmark?slug=m3exam-multimodal-memory-multi-session · How It Works · Data refreshed daily, snapshot 2026-11-13.