Anatomy of Company Brains: 4 shared components across 9 projects
femke_plantinga · x · 2026-08-27
This post analyzes 9 "Company Brain" projects and finds that despite varying definitions, they share a consistent core architecture with four components:
- Getting signals: e.g., GBrain flows email and calendar into a git repo.
- Remembering: e.g., mem0 only stores what you explicitly tell it to, ranking fresh facts higher.
- Dreaming & Pruning: e.g., Letta's agent decides what to keep, while a second agent tidies up memory in the background.
- Speaking & Searching: e.g., Zep/Graphiti uses a knowledge graph with a clock, where old facts get an end date instead of being overwritten.
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