Long-context Question Answering on LoCoMo (LLJ Metrics)
97.1Single-Hop LLJ ScoreMnemis
Evaluation results
| Method | Links | |||||||
|---|---|---|---|---|---|---|---|---|
| Mnemis2026.02 | 97.1 | 90.7 | 79.2 | 92.9 | 93.9 | — | — | |
| EverMemOS2026.02 | 96.1 | 89.7 | 70.8 | 91.1 | 92.3 | — | — | |
| MemU2026.02 | 94.9 | 92.5 | 77.1 | 88.3 | 92.1 | — | — | |
| MnemisBackbone=GPT-4.1-mini2026.05 | 94 | 89.1 | 85.8 | 80.5 | 90.6 | — | — | |
| MnemisBackbone=GPT-4o-mini2026.05 | 93.8 | 87.8 | 79.3 | 79.8 | 88.8 | — | — | |
| DeMemBackbone=GPT-4.1-mini2026.05 | 93.5 | 92.1 | 90.8 | 83.1 | 92 | — | — | |
| DeMemBackbone=GPT-4o-mini2026.05 | 93.2 | 91.9 | 86.8 | 84.7 | 91.1 | — | — | |
| EMem-G2026.02 | 90.5 | 80.8 | 71.7 | 79.6 | 85.3 | — | — | |
| EMem-GBackbone=GPT-4.1-mini2026.05 | 87.2 | 75.7 | 66 | 74.7 | 81.2 | — | — | |
| Full Context2026.02 | 86.9 | 74.2 | 56.6 | 77.2 | 80.6 | — | — | |
| MIRIX2026.02 | 85.1 | 88.4 | 65.6 | 83.7 | 85.4 | — | — | |
| Nemori2026.02 | 84.9 | 77.6 | 51 | 75.1 | 79.5 | — | — | |
| LangMem2026.02 | 84.5 | 50.8 | 59 | 71 | 73.4 | — | — | |
| FullContextBackbone=GPT-4.1-mini2026.05 | 83.1 | 69.2 | 51.1 | 72.5 | 76.3 | — | — | |
| SYNAPSE2026.01 | 81.5 | 72.1 | 76.8 | 84.2 | 80.7 | — | — | |
| NemoriBackbone=GPT-4.1-mini2026.05 | 81.1 | 73.1 | 45.4 | 70.6 | 75.3 | — | — | |
| LangMemBackbone=GPT-4.1-mini2026.05 | 80 | 46.1 | 53.1 | 65.9 | 68.7 | — | — | |
| ENGRAM2026.01 | 79.9 | 70.8 | 72.9 | 79.8 | 77.6 | — | — | |
| FullContextBackbone=GPT-4o-mini2026.05 | 79.1 | 51.5 | 42.8 | 62.9 | 68.1 | — | — | |
| NemoriBackbone=GPT-4o-mini2026.05 | 78.7 | 65.6 | 40.1 | 59.6 | 70.1 | — | — | |
| MemoryOS2026.01 | 78.3 | 72.7 | 54.6 | 63.7 | 67.7 | — | — | |
| EMem-GBackbone=GPT-4o-mini2026.05 | 78.2 | 71.7 | 51.7 | 70.2 | 73.7 | — | — | |
| RAG2026.02 | 76.5 | 76.6 | 67.7 | 64.9 | 73.8 | — | — | |
| RAGBackbone=GPT-4.1-mini2026.05 | 72.7 | 71 | 63.4 | 59.3 | 69.3 | — | — | |
| Mem02026.02 | 71.4 | 56.9 | 47.9 | 68.2 | 66.3 | — | — | |
| RAGBackbone=GPT-4o-mini2026.05 | 69.8 | 57.2 | 59 | 54.3 | 63.7 | — | — | |
| Mem02026.01 | 67.1 | 58.1 | 75.7 | 51.2 | 57.1 | — | — | |
| Zep2026.02 | 66.9 | 60.2 | 43.8 | 53.7 | 61.6 | — | — | |
| Mem0Backbone=GPT-4.1-mini2026.05 | 66.9 | 51.4 | 42.8 | 62.9 | 61.4 | — | — | |
| PREMem2026.02 | 66.2 | 74.8 | 46.9 | 61 | 65.8 | — | — | |
| Mem0Backbone=GPT-4o-mini2026.05 | 64.4 | 45.3 | 36.5 | 55.2 | 57 | — | — | |
| ZepBackbone=GPT-4.1-mini2026.05 | 62.3 | 55.4 | 38.3 | 49.5 | 57 | — | — | |
| LangMem2026.01 | 62.2 | 23.4 | 71.1 | 47.9 | 46.9 | — | — | |
| Zep2026.01 | 61.7 | 49.3 | 76.6 | 41.4 | 49 | — | — | |
| ZepBackbone=GPT-4o-mini2026.05 | 59.2 | 54.5 | 33.6 | 45.7 | 54.1 | — | — | |
| LangMemBackbone=GPT-4o-mini2026.05 | 56.5 | 20.8 | 42.3 | 47 | 46.4 | — | — | |
| MemSkillBackbone=Qwen2.5-14B-Instruct2026.05 | 49.2 | 42.3 | 43.8 | 46.1 | 46.6 | — | — | |
| DeMemBackbone=Qwen2.5-14B-Instruct2026.05 | 48.7 | 51.2 | 53.1 | 50.3 | 49 | — | — | |
| MemActBackbone=Qwen2.5-14B-Instruct2026.05 | 47.8 | 40.1 | 46.9 | 44.5 | 45 | — | — | |
| AriGraph2026.01 | 45.5 | 51.5 | 60.1 | 28.2 | 38.2 | — | — | |
| MemGPT2026.01 | 41.2 | 50.4 | 55.8 | 19.5 | 32.2 | — | — | |
| A-Mem2026.01 | 39.8 | 49.9 | 54.1 | 18.9 | 31.4 | — | — | |
| LoCoMo2026.01 | 38.5 | 48.2 | 53 | 17.8 | 30.1 | — | — | |
| ReadAgent2026.01 | 37.1 | 41.5 | 50.2 | 16.5 | 27.6 | — | — | |
| MemoryBank2026.01 | 30.5 | 35.8 | 45.3 | 14.2 | 23.6 | — | — | |
| A-MEM2026.01 | — | — | — | — | — | 30.37 | 36.85 | |
| Mem02026.01 | — | — | — | — | — | 42.52 | 44.14 | |
| MemoryBank2026.01 | — | — | — | — | — | 25.78 | 25.15 | |
| MemoryOS2026.01 | — | — | — | — | — | 45.36 | 43.74 | |
| MemOS2026.01 | — | — | — | — | — | 45.02 | 47.41 | |
| TiMem2026.01 | — | — | — | — | — | 54.4 | 54.68 |