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Long-term memory evaluation on LongMemEval S

97.14Single-User Score

MemoryOS

Updated 24d ago

Evaluation Results

Method	Links
MemoryOS 2026.05		97.14	89.29	70	48.87	73.08	58.65	67.8	705.34	8.89	-
Mem0 2026.05		95.71	55.36	70	54.14	69.23	57.89	64	1,244.87	1.9	-
Mem0 2026.05		95.71	50	90	62.41	74.36	69.92	71.2	1,626.54	2	-
A-Mem 2026.05		95.71	100	63.33	52.63	82.05	61.65	71.6	1,264.25	15.46	-
RecMem 2026.05		95.71	96.43	86.67	68.42	75.64	65.41	76.8	365.49	5.89	-
MemoryOS 2026.05		94.29	89.29	100	54.89	80.77	67.67	74.4	669.22	9.19	-
A-Mem 2026.05		92.54	98.21	36.67	44.36	70.51	53.38	63.8	1,180.23	13.1	-
RecMem 2026.05		91.43	85.71	46.67	61.65	80.77	56.39	69.2	329.55	5.63	-
FullContext 2026.05		91.43	100	56.67	48.12	75.64	53.38	66.2	0	112.25	-
LightMem 2026.05		88.6	-	76.7	85.7	92.3	47.4	75.2	-	-	-
Mem0 2026.05		87.1	-	63.5	40.6	69.2	50.4	57.4	-	-	-
Naive RAG 2026.05		85.71	83.93	46.67	41.35	65.38	52.63	59.4	0	11.92	-
Naive RAG 2026.05		85.71	82.36	83.33	45.86	75.64	63.91	67	0	11.93	-
SimpleMem 2026.05		85.7	-	76.7	83.5	79.5	60.9	75.9	-	-	-
PPRO 2026.05		81.4	-	80	89.3	80.8	74.4	81.5	-	-	-
Full-context 2026.05		47.1	-	60	27.1	41	30.1	35.8	-	-	-
FullContext 2026.05		44.29	80.36	53.33	34.59	55.13	35.34	45.6	0	112.3	-
Long-Ctx Agent 2026.06		-	-	-	-	-	-	-	-	-	88.43
Long-Ctx Agent 2026.06		-	-	-	-	-	-	-	-	-	80.61
Mem0 2026.06		-	-	-	-	-	-	-	-	-	56.84
Mem0 2026.06		-	-	-	-	-	-	-	-	-	48.87
Mem0 + graph 2026.06		-	-	-	-	-	-	-	-	-	57.14
Mem0 + graph 2026.06		-	-	-	-	-	-	-	-	-	51.26
Zep / Graphiti 2026.06		-	-	-	-	-	-	-	-	-	67.83
Zep / Graphiti 2026.06		-	-	-	-	-	-	-	-	-	62.35
DCPMlite (S1) 2026.06		-	-	-	-	-	-	-	-	-	84.73
DCPMlite (S1) 2026.06		-	-	-	-	-	-	-	-	-	85.81
DCPMfull (S1+S2) 2026.06		-	-	-	-	-	-	-	-	-	85.17
DCPMfull (S1+S2) 2026.06		-	-	-	-	-	-	-	-	-	86.14