Long-context Memory Question Answering on LoCoMo 1.0 (test) benchmark leaderboard · SOTA2 Research

Long-context Memory Question Answering on LoCoMo 1.0 (test)

58.11Single Hop F1AnchorMem

Evaluation Results

Method	Links
AnchorMem2026.04		58.11	46.26	82.16	36.79	24.57	63.83	26.34	16.72	51.04	56.6	45.34	67.6	51.91	40.25	73.83
AnchorMem2026.04		57.82	49.76	78.83	35.53	25.71	58.51	25.62	19.95	44.79	53.12	45.26	62.31	50.57	42.54	69.54
AnchorMem2026.04		55.84	44.38	78.6	34.45	23.87	56.03	25.38	17.91	47.92	55.09	43.79	68.85	49.87	38.85	70.52
AnchorMem2026.04		54.32	45.46	72.89	34.5	24.45	55.67	18.4	15.37	38.54	43.85	31.65	40.81	46.27	36.86	60.91
MemoryOS2026.04		48.62	42.99	—	35.27	25.22	—	20.02	16.52	—	41.15	30.76	—	42.84	35.53	—
Mem02026.04		47.65	38.72	72.93	38.72	27.13	67.13	28.64	21.58	51.15	48.93	40.51	55.51	45.1	35.9	66.88
HippoRAG 22026.04		46.08	32.66	66.11	30.65	21.58	55.67	24.87	17.11	50	51.73	36.75	59.5	43.11	30.52	61.82
LightMem2026.04		44.48	35.49	67.18	29.04	20.17	50	23.81	18.09	41.67	50.92	38.06	64.8	41.71	32.14	61.95
NaiveRAG2026.04		43.12	38.34	59.57	23.89	17.38	42.2	14.19	11.84	34.38	30.75	25.36	33.33	35.16	30.09	49.35
LightMem2026.04		42.55	35.42	64.33	29.71	23.4	50.71	15.58	12.06	40.63	41.23	31.4	61.99	38.24	30.93	59.87
LightMem2026.04		41.34	35.3	59.93	28.55	21.9	46.81	19.56	17.38	34.38	38.37	28.26	40.81	37.02	30.26	51.95
NaiveRAG2026.04		40.43	35.27	59.45	23.76	18.15	45.04	15.67	13.17	42.71	27.41	23.83	25.55	33.12	28.37	48.7
NaiveRAG2026.04		40.2	31.56	57.55	20.41	14.81	39.36	10.91	10.01	34.38	32.07	25.56	34.27	33.06	25.9	47.92
A-Mem2026.04		38.93	33.95	58.33	23.7	16.62	46.81	15.34	12.71	38.54	32.87	27.55	28.66	33.41	28.12	48.8
MemoryOS2026.04		38.53	33.9	55.65	35.89	27.41	56.74	22.95	17.85	42.71	22.46	20.84	23.36	33.73	28.99	48.31
MemoryOS2026.04		38.53	33.9	55.65	35.89	27.41	56.74	22.95	17.85	42.71	24.46	20.84	23.36	34.14	28.99	48.31
HippoRAG 22026.04		38.11	26.13	62.66	27.83	20.29	56.38	23.26	16.02	42.71	43.64	32.52	56.07	36.45	25.76	58.9
A-Mem2026.04		35.84	29.22	57.4	23.19	16.71	42.91	9.06	8.34	23.96	38.4	33.72	51.09	32.39	26.57	51.35
A-Mem2026.04		35.34	31.39	47.56	25.56	17.98	43.62	11.96	10.79	28.12	29.72	25.37	34.58	30.92	26.4	42.92
MemoryOS2026.04		32.62	28.17	51.72	25.94	19.1	40.07	18.94	14.81	35.42	25.87	21.6	17.45	29.14	24.31	41.43
Mem02026.04		29.69	24.59	45.54	20.33	13.28	30.85	14.9	10.22	28.12	39.38	32.85	33.96	29.07	23.34	39.31
Mem02026.04		27.03	23.31	37.11	18.69	13.92	30.85	12.89	9.94	26.04	25.37	20.35	21.81	24.25	20.11	32.05
HippoRAG 22026.04		27	18.34	67.78	19.3	15.32	54.96	16.7	13.14	53.13	26.04	18.4	42.68	24.75	17.48	59.26
Mem02026.04		24.3	20.42	36.75	17.51	12.46	29.43	14.81	11.48	31.25	32.8	27.2	31.15	24.24	19.81	33.88