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Long-context Memory Retrieval on LoCoMo

97.1Single-hop

Mnemis

Updated 1d ago

Evaluation Results

Method
Mnemis 2026.02	97.1	92.9	90.7	79.2	93.9
Mnemis 2026.02	96.2	91.8	90.3	82.3	93.3
EverMemOS 2026.02	96.1	91.1	89.7	70.8	92.3
EverMemOS 2026.03	96.1	91.1	89.7	70.8	92.3
Mnemis 2026.02	95.7	89.7	77.6	79.2	89.8
Full-context 2026.03	94.9	90.4	88	71.9	91.2
MemMachine v0.2 2026.04	94.65	87.59	73.52	70.83	87.47
SmartSearch (indexed) 2026.03	91.8	86.6	79.2	95.4	91.9
Memora 2026.03	91.8	78.7	86.6	59.4	86.3
SmartSearch (indexed) 2026.03	91.1	91.3	80.2	96.7	93.5
SmartSearch (index-free) 2026.03	91.1	86	75	94.6	91
Zep 2026.03	90.8	81.9	77.3	75	85.2
EMem-G 2026.02	90.5	79.6	80.8	71.7	85.3
Backboard 2025.12	89.36	75	91.9	91.2	90
Full-Context 2026.02	88.53	77.7	92.7	71.88	87.52
Full Context 2026.02	86.9	77.2	74.2	56.6	80.6
Hindsight 2025.12	86.17	70.83	83.8	95.12	89.61
MemOS 2026.03	85.4	79.4	75.1	64.6	80.8
HyMem 2026.02	85.15	88.16	92.98	77.08	89.55
Mirix 2026.02	85.11	83.7	88.39	65.62	85.38
Nemori 2026.02	84.9	75.1	77.6	51	79.4
Nemori 2026.02	84.9	75.1	77.6	51	79.5
LangMem 2026.02	84.5	71	50.8	59	73.4
Full Context 2026.02	83	66.8	56.2	48.6	72.3
EMem-G 2026.02	82.3	74.7	76	57.3	78
Nemori 2026.02	82.1	65.3	71	44.8	74.4
Nemori 2026.02	82.1	65.3	71	44.8	74.4
BMAM 2026.01	82	70.42	62.31	79.55	78.45
Full-Context 2026.02	80.14	46.89	90.49	58.33	77.51
Zep 2026.02	79.43	69.16	83.33	73.96	79.09
MemOS 2026.02	78.4	64.3	73.2	55.2	73.3
Hindsight 2025.12	76.79	62.5	79.44	93.68	85.67
LightMem 2026.02	76.61	67.02	76.32	45.83	72.99
RAG 2026.02	76.5	64.9	76.6	67.7	73.8
MemU 2026.02	74.91	72.34	54.17	43.61	66.67
LangMem 2026.02	74.47	61.06	86.92	67.71	78.05
Zep 2025.12	74.11	66.04	79.79	67.71	75.14
Hindsight 2025.12	74.11	64.58	76.32	90.96	83.18
Zep 2026.02	74.11	66.04	79.76	67.71	75.14
Zep 2026.04	74.11	66.04	79.79	67.71	75.14
RAG 2026.02	73.5	59.9	62.9	63.5	68.2
Mem0 2026.01	73.33	58.75	52.54	45.83	64.57
Memobase 2026.01	73.12	64.65	81.2	53.12	72.01
Naive RAG(k=5) 2026.02	72.69	74.14	81.21	68.75	77.4
Full-context 2026.03	72.3	55.1	63.5	88.6	77.1
Mem0 2026.02	71.4	68.2	56.9	47.9	66.3
Memobase 2025.12	70.92	46.88	85.05	77.17	75.78
Naive RAG(k=3) 2026.02	70.92	69.47	75.74	65.62	72.97
Memobase (v0.0.37) 2026.04	70.92	46.88	85.05	77.17	75.78
MIRIX 2026.01	68.32	54.26	68.54	46.88	64.33
Mem0 2026.02	68.1	60.3	50.4	40.6	61.3
MemU 2026.01	67.8	51.12	31.7	52.67	56.38
Mem0 2025.12	67.13	51.15	55.51	72.93	66.88
Mem0 2026.02	67.13	51.15	55.51	72.93	66.88
Mem0 2026.04	67.13	51.15	55.51	72.93	66.88
Zep 2026.02	66.9	53.7	60.2	43.8	61.6
Supermemory 2026.01	66.54	63.12	27.17	50.01	56.55
PREMem 2026.02	66.2	61	74.8	46.9	65.8
Mem0-Graph 2025.12	65.71	47.19	58.13	75.71	68.44
Zep 2026.01	65.23	52.12	54.82	33.33	59.22
MemOS-1031 2026.01	64.54	57.29	71.34	79.9	73.9
OpenAI 2025.12	63.79	42.92	21.71	62.29	52.9
OpenAI 2026.04	63.79	42.92	21.71	62.29	52.9
Zep 2026.02	63.2	50.5	58.9	39.6	58.5
Mem0 2026.02	62.41	57.32	66.47	44.79	62.47
LangMem 2025.12	62.23	47.92	23.43	71.12	58.1
LangMem 2026.02	62.23	47.92	23.43	71.12	49.91
LangMem 2026.04	62.23	47.92	23.43	71.12	58.1
LangMem 2026.02	61.4	52.4	24.9	47.6	51.3
Context2LoRA 2026.06	60.11	37.95	34.99	16.75	48.11
δ-Mem (MSW) 2026.06	58.59	42.57	39.31	18.12	49.12
δ-Mem (SSW) 2026.06	56.88	41	36.48	14.08	47.05
δ-Mem (TSW) 2026.06	55.36	42.14	37.2	13.35	46.53
LLMLingua-2 2026.06	49.19	39.07	30.13	10.98	40.98
MemGen 2026.06	48.13	32.93	33.3	12.67	40.05
Qwen3-4B-Instruct 2026.06	48.05	38.39	32.89	10.77	40.79
MemoryBank 2026.06	47.31	37.88	21.76	13.35	38.14
BM25 RAG 2026.06	45.47	38.12	20.34	9.99	36.68
A-Mem 2026.02	40.22	19.01	50.12	55.1	49.01
MLP Memory 2026.06	30.75	32.87	16.72	8.81	26.85