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<title>Audrey Memory Benchmark</title>
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<h1>Audrey Memory Benchmark</h1>
<div class="callout">
<p><strong>Method:</strong> Audrey is scored on a LongMemEval-inspired retrieval benchmark plus an operation-level lifecycle benchmark. The report still separates local Audrey-versus-baseline results from published external LoCoMo numbers so the comparison stays honest.</p>
<p><strong>Run:</strong> <code>node benchmarks/run.js --provider mock --dimensions 64</code></p>
<p><strong>Generated:</strong> 2026-05-01T03:20:07.968Z</p>
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<section class="callout">
<h2>Combined Local Benchmark</h2>
<img src="./local-overall.svg" alt="Combined local benchmark bar chart" />
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<section class="callout">
<h2>Retrieval capabilities Benchmark</h2>
<p>LongMemEval-style memory abilities plus privacy and abstention.</p>
<img src="./retrieval-overall.svg" alt="Retrieval capabilities Benchmark chart" />
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<section class="callout">
<h2>Memory operations Benchmark</h2>
<p>Update, delete, merge, and abstention behavior after lifecycle operations.</p>
<img src="./operations-overall.svg" alt="Memory operations Benchmark chart" />
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<section class="callout">
<h2>Published Leaderboard</h2>
<img src="./published-locomo.svg" alt="Published LoCoMo leaderboard bar chart" />
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<section class="callout">
<h2>Case Matrix</h2>
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<th>Case</th>
<th>Suite</th>
<th>Family</th>
<th>Audrey</th><th>Vector Only</th><th>Keyword + Recency</th><th>Recent Window</th>
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<td>Information extraction</td>
<td>retrieval</td>
<td>information_extraction</td>
<td style="background:#ecfdf5;color:#065f46">1.00<br /><span style="font-size:12px">retrieved expected evidence</span></td><td style="background:#ecfdf5;color:#065f46">1.00<br /><span style="font-size:12px">retrieved expected evidence</span></td><td style="background:#ecfdf5;color:#065f46">1.00<br /><span style="font-size:12px">retrieved expected evidence</span></td><td style="background:#ecfdf5;color:#065f46">1.00<br /><span style="font-size:12px">retrieved expected evidence</span></td>
</tr>
<tr>
<td>Knowledge updates</td>
<td>retrieval</td>
<td>knowledge_updates</td>
<td style="background:#ecfdf5;color:#065f46">1.00<br /><span style="font-size:12px">retrieved expected evidence</span></td><td style="background:#fff7ed;color:#9a3412">0.50<br /><span style="font-size:12px">retrieved expected evidence, but conflicting evidence still appeared later</span></td><td style="background:#fff7ed;color:#9a3412">0.50<br /><span style="font-size:12px">retrieved expected evidence, but conflicting evidence still appeared later</span></td><td style="background:#fff7ed;color:#9a3412">0.50<br /><span style="font-size:12px">retrieved expected evidence, but conflicting evidence still appeared later</span></td>
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<td>Multi-session reasoning</td>
<td>retrieval</td>
<td>multi_session_reasoning</td>
<td style="background:#ecfdf5;color:#065f46">1.00<br /><span style="font-size:12px">retrieved expected evidence</span></td><td style="background:#ecfdf5;color:#065f46">1.00<br /><span style="font-size:12px">retrieved expected evidence</span></td><td style="background:#ecfdf5;color:#065f46">1.00<br /><span style="font-size:12px">retrieved expected evidence</span></td><td style="background:#ecfdf5;color:#065f46">1.00<br /><span style="font-size:12px">retrieved expected evidence</span></td>
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<tr>
<td>Temporal reasoning</td>
<td>retrieval</td>
<td>temporal_reasoning</td>
<td style="background:#ecfdf5;color:#065f46">1.00<br /><span style="font-size:12px">retrieved expected evidence</span></td><td style="background:#ecfdf5;color:#065f46">1.00<br /><span style="font-size:12px">retrieved expected evidence</span></td><td style="background:#ecfdf5;color:#065f46">1.00<br /><span style="font-size:12px">retrieved expected evidence</span></td><td style="background:#ecfdf5;color:#065f46">1.00<br /><span style="font-size:12px">retrieved expected evidence</span></td>
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<td>Abstention</td>
<td>retrieval</td>
<td>abstention</td>
<td style="background:#ecfdf5;color:#065f46">1.00<br /><span style="font-size:12px">correct abstention</span></td><td style="background:#fff7ed;color:#9a3412">0.50<br /><span style="font-size:12px">no leak, but retrieved tangential context</span></td><td style="background:#fff7ed;color:#9a3412">0.50<br /><span style="font-size:12px">no leak, but retrieved tangential context</span></td><td style="background:#fff7ed;color:#9a3412">0.50<br /><span style="font-size:12px">no leak, but retrieved tangential context</span></td>
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<td>Conflict resolution</td>
<td>retrieval</td>
<td>conflict_resolution</td>
<td style="background:#ecfdf5;color:#065f46">1.00<br /><span style="font-size:12px">retrieved expected evidence</span></td><td style="background:#fff7ed;color:#9a3412">0.50<br /><span style="font-size:12px">retrieved expected evidence, but conflicting evidence still appeared later</span></td><td style="background:#fef2f2;color:#991b1b">0.00<br /><span style="font-size:12px">blocked content outranked the correct answer</span></td><td style="background:#fef2f2;color:#991b1b">0.00<br /><span style="font-size:12px">blocked content outranked the correct answer</span></td>
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<td>Procedural learning</td>
<td>retrieval</td>
<td>procedural_learning</td>
<td style="background:#ecfdf5;color:#065f46">1.00<br /><span style="font-size:12px">retrieved expected evidence</span></td><td style="background:#fef2f2;color:#991b1b">0.00<br /><span style="font-size:12px">missed target evidence</span></td><td style="background:#fef2f2;color:#991b1b">0.00<br /><span style="font-size:12px">missed target evidence</span></td><td style="background:#fef2f2;color:#991b1b">0.00<br /><span style="font-size:12px">missed target evidence</span></td>
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<td>Privacy boundary</td>
<td>retrieval</td>
<td>privacy_boundary</td>
<td style="background:#ecfdf5;color:#065f46">1.00<br /><span style="font-size:12px">correct abstention</span></td><td style="background:#fef2f2;color:#991b1b">0.00<br /><span style="font-size:12px">leaked restricted content</span></td><td style="background:#fef2f2;color:#991b1b">0.00<br /><span style="font-size:12px">leaked restricted content</span></td><td style="background:#fef2f2;color:#991b1b">0.00<br /><span style="font-size:12px">leaked restricted content</span></td>
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<td>Update and overwrite</td>
<td>operations</td>
<td>update_overwrite</td>
<td style="background:#ecfdf5;color:#065f46">1.00<br /><span style="font-size:12px">retrieved expected evidence</span></td><td style="background:#fff7ed;color:#9a3412">0.50<br /><span style="font-size:12px">retrieved expected evidence, but conflicting evidence still appeared later</span></td><td style="background:#fff7ed;color:#9a3412">0.50<br /><span style="font-size:12px">retrieved expected evidence, but conflicting evidence still appeared later</span></td><td style="background:#fff7ed;color:#9a3412">0.50<br /><span style="font-size:12px">retrieved expected evidence, but conflicting evidence still appeared later</span></td>
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<td>Delete and abstain</td>
<td>operations</td>
<td>delete_and_abstain</td>
<td style="background:#ecfdf5;color:#065f46">1.00<br /><span style="font-size:12px">correct abstention</span></td><td style="background:#fef2f2;color:#991b1b">0.00<br /><span style="font-size:12px">leaked restricted content</span></td><td style="background:#fff7ed;color:#9a3412">0.50<br /><span style="font-size:12px">no leak, but retrieved tangential context</span></td><td style="background:#fef2f2;color:#991b1b">0.00<br /><span style="font-size:12px">leaked restricted content</span></td>
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<td>Semantic merge</td>
<td>operations</td>
<td>semantic_merge</td>
<td style="background:#ecfdf5;color:#065f46">1.00<br /><span style="font-size:12px">retrieved expected evidence</span></td><td style="background:#fef2f2;color:#991b1b">0.00<br /><span style="font-size:12px">missed target evidence</span></td><td style="background:#fef2f2;color:#991b1b">0.00<br /><span style="font-size:12px">missed target evidence</span></td><td style="background:#fef2f2;color:#991b1b">0.00<br /><span style="font-size:12px">missed target evidence</span></td>
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<td>Procedural merge</td>
<td>operations</td>
<td>procedural_merge</td>
<td style="background:#ecfdf5;color:#065f46">1.00<br /><span style="font-size:12px">retrieved expected evidence</span></td><td style="background:#fef2f2;color:#991b1b">0.00<br /><span style="font-size:12px">missed target evidence</span></td><td style="background:#fef2f2;color:#991b1b">0.00<br /><span style="font-size:12px">missed target evidence</span></td><td style="background:#fef2f2;color:#991b1b">0.00<br /><span style="font-size:12px">missed target evidence</span></td>
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</section>
<section class="callout">
<h2>March 23, 2026 Memory Trends</h2>
<ul>
<li>
<strong>Memory is moving from flat retrieval to typed systems</strong><br />
Recent work treats episodic, semantic, procedural, and graph memory as separate but cooperating layers.<br />
<a href="https://arxiv.org/abs/2507.03724">https://arxiv.org/abs/2507.03724</a>
</li>
<li>
<strong>Benchmarks now emphasize multi-session realism</strong><br />
LongMemEval and LoCoMo push memory systems toward temporal updates, abstraction, and cross-session reasoning instead of single-turn fact recall.<br />
<a href="https://arxiv.org/abs/2410.10813">https://arxiv.org/abs/2410.10813</a>
</li>
<li>
<strong>Context engineering is now competing with retrieval-first designs</strong><br />
Letta argues filesystem and memory-block approaches can outperform simpler retrieval-only memory on realistic long-horizon tasks.<br />
<a href="https://www.letta.com/blog/memory-blocks">https://www.letta.com/blog/memory-blocks</a>
</li>
<li>
<strong>Production teams care about latency and token footprint, not just recall quality</strong><br />
Mem0 frames memory as a cost and latency optimization surface in addition to a personalization surface.<br />
<a href="https://arxiv.org/abs/2504.19413">https://arxiv.org/abs/2504.19413</a>
</li>
<li>
<strong>Temporal and multimodal memory are becoming table stakes</strong><br />
MIRIX and Graphiti both model time and state change explicitly instead of assuming memories stay forever true.<br />
<a href="https://arxiv.org/abs/2507.07957">https://arxiv.org/abs/2507.07957</a>
</li>
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