MEMOIR benchmark: 117 synthetic oncology patients to test AI clinical memory
jefrankle · x · 2026-09-24
Olira released MEMOIR, an open-source benchmark for evaluating longitudinal clinical memory. It includes 117 synthetic oncology patients, 65,377 clinical events, and 3,617 questions spanning factual retrieval, rare-event detection, episode reconstruction, and longitudinal reasoning.
They compared general-purpose memory systems (mem0, Graphiti, Letta) against a purpose-built patient representation across thousands of clinical questions grounded in oncology records, noting that clinical memory has a different structure from conversational memory.
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