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Era Research

What we measured.
And how we measured it.

Every number is measured on a named code version, on public benchmarks or on tests we built; method, data and limits are in the report.

ERA-TR-2026-01October 2026commit 3aba0bbfb

Era Brain: Evaluating a Permission-Aware Business Memory on Retrieval, Multi-hop Records and Access Control

Era Brain is the memory layer of Era, a platform that runs a business's records and conversations. It keeps synced records (customers, orders, invoices, payments) and facts drawn from conversations in one PostgreSQL database, and answers a query with hybrid keyword and vector recall plus a question-guided path search over typed relations.

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Headline results.
With their conditions.

Pending values come from runs that have not finished yet. This page and the PDF are drawn from the same data file.

  • Held-out business questions88.9%answer in context · 325 q (245 TR, 80 EN)
  • Multi-hop, 100k graph rows100/100path search · plain vector top-10: 1/100
  • Permission leaks012,560 member answers · 7 read paths + 8 no-person callers
  • LongMemEval-S retrieval98.3%≥1 evidence session in top 10 · all sessions: 90.2% · 470 q
  • Recall latency p5029–35 msLoCoMo / LongMemEval · in process, no network hop
  • LoCoMo answer accuracy76.1%LLM judge · full context, same model: 87.3%