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

Supermemory

Self-Reported
Supermemory IncWebsiteGitHub(6.4k)DocsLast tested Apr 20, 2026

Personal knowledge management layer that captures bookmarks, notes, and browsing history into a searchable AI memory. Designed for individuals who want a second brain powered by LLMs.

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 →

TrackKnowledge Brain
Track IndexNo results yet

Benchmark Results

BenchmarkScoreStatusReceipt
Knowledge RetrievalPendingPending--
Knowledge ScalePendingPending--
Truth ArbitrationPendingPending--
Budget CurvesPendingPending--
ReliabilityPendingPending--
Other Benchmarks
LongMemEvalNot applicable — outside Knowledge Brain track
LoCoMoNot applicable — outside Knowledge Brain track
Memory PoisoningNot applicable — outside Knowledge Brain track

Relative Performance vs All Benchmarked Systems

vs 16 scored systems

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

Overall
No memory: 57.6%
gbrain
81.669th percentile
Recall
No memory: 57.6%
gbrain
85.275th percentile
Temporal
No memory: 57.6%
gbrain
78.969th percentile
Reasoning
No memory: 57.6%
gbrain
76.469th percentile
Bench'd Memory Index
The BMI combines accuracy (70%) and efficiency (30%) into a single production-weighted score. Formula is public and versioned.
81.6
/ 100
#1 of 8 systemsTop 12%
Accuracy (70%)81.6
Efficiency (30%)--

Per-Benchmark Breakdown

BenchmarkVerifiedNuance

Performance Over Time — LongMemEval

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

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