llamaindex-memory 0.0 on LoCoMollm-baseline 0.0 on LoCoMomem0-local 0.0 on LongMemEvalmem0-local 0.0 on LongMemEvalllamaindex-memory 0.0 on LongMemEvalllm-baseline 0.0 on LongMemEvallangchain-memory 0.0 on LongMemEvalcognee 0.0 on LongMemEval13 systems independently scored64 systems indexedllamaindex-memory 0.0 on LoCoMollm-baseline 0.0 on LoCoMomem0-local 0.0 on LongMemEvalmem0-local 0.0 on LongMemEvalllamaindex-memory 0.0 on LongMemEvalllm-baseline 0.0 on LongMemEvallangchain-memory 0.0 on LongMemEvalcognee 0.0 on LongMemEval13 systems independently scored64 systems indexed

Zep

Self-Reported
Zep SoftwareWebsiteGitHub(12.4k)DocsLast tested May 6, 2026
MCP Endpoint:https://cloud.getzep.com/mcp

Long-term memory store for AI assistants and agents. Provides fact extraction, entity graphs, temporal awareness, and hybrid search across conversation history.

These scores are self-reported by the vendor and have not been independently verified by Bench'd.

Scores from 0–100. Higher is better. LLM Baseline (no memory system) scores 57.6%. How we calculate this →

TrackHybrid
Track IndexNo results yet

Benchmark Results

BenchmarkScoreStatusReceipt
LongMemEvalPendingPending--
LoCoMoPendingPending--
ReliabilityPendingPending--
Truth ArbitrationPendingPending--
Memory PoisoningPendingPending--
Budget CurvesPendingPending--
Knowledge RetrievalPendingPending--
Knowledge ScalePendingPending--

Relative Performance vs All Benchmarked Systems

vs 16 scored systems

Each dot is a system. Amber dot is Zep. Amber line = LLM Baseline (no memory).

Overall
No memory: 57.6%
gbrain
71.256th percentile
Recall
No memory: 57.6%
gbrain
75.338th percentile
Temporal
No memory: 57.6%
gbrain
68.463th percentile
Reasoning
No memory: 57.6%
gbrain
65.856th percentile
Bench'd Memory Index
The BMI combines accuracy (70%) and efficiency (30%) into a single production-weighted score. Formula is public and versioned.
71.2
/ 100
#1 of 8 systemsTop 12%
Accuracy (70%)71.2
Efficiency (30%)--

Per-Benchmark Breakdown

BenchmarkVerifiedNuance
LongMemEval83.677.1
LoCoMo81.975.4

Performance Over Time — LongMemEval

2026-05-11 to 2026-05-13
0255075100baseline05-1105-1205-13

Command Palette

Search for a command to run...