mem0-local 0.0 on LongMemEvalllamaindex-memory 0.0 on LongMemEvalllm-baseline 0.0 on LongMemEvalLetta 88.4 on LongMemEvalLetta 87.1 on PersonaMemMem0 85.3 on LongMemEvalMem0 82.9 on LoCoMoZep 83.6 on LongMemEval4 systems independently scored36 systems indexedmem0-local 0.0 on LongMemEvalllamaindex-memory 0.0 on LongMemEvalllm-baseline 0.0 on LongMemEvalLetta 88.4 on LongMemEvalLetta 87.1 on PersonaMemMem0 85.3 on LongMemEvalMem0 82.9 on LoCoMoZep 83.6 on LongMemEval4 systems independently scored36 systems indexed

Run: run_mem0_lme_001

VERIFIED
SystemMem0
BenchmarkLongMemEval
Harnessv0.9.4
Verified Overall85.3%
Nuance Overall78.1%
DateMay 7, 2026
run_manifest.jsonjson
{
  "version": "1.0.0",
  "runId": "run_mem0_lme_001",
  "systemId": "sys_mem0",
  "systemName": "Mem0",
  "benchmarkId": "bench_longmemeval",
  "benchmarkName": "LongMemEval",
  "benchmarkVersion": "1.0",
  "harnessVersion": "0.9.4",
  "judgeModel": "claude-sonnet-4-20250514",
  "judgeTemperature": 0,
  "startedAt": "2026-05-07T02:14:00Z",
  "completedAt": "2026-05-07T04:38:22Z",
  "scores": {
    "verified": {
      "recall": 91.2,
      "temporal": 78.4,
      "reasoning": 82.6,
      "overall": 85.3
    },
    "nuance": {
      "recall": 84.7,
      "temporal": 71.3,
      "reasoning": 75.1,
      "overall": 78.1
    }
  },
  "questionCount": 240,
  "passCount": 198,
  "failCount": 42,
  "merkleRoot": "a3f8c1d4e5b6a7f890123456789abcdef0123456789abcdef0123456789abcdef"
}

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