[::] Agentic Stacks

Cognee vs Graphiti

Pick two tools from the same category to compare side-by-side.

Cognee
Open-source memory platform that gives AI agents persistent long-term memory via combined knowledge graphs and vector embeddings.
Graphiti
Open-source temporal knowledge-graph framework from Zep for building agent memory.
Category memorymemory
Vendor type hybridhybrid
Pricing freemiumfreemium
Strengths
  • + Combines graph and vector storage for relationship-aware retrieval beyond similarity search
  • + Provenance tracking on ingested context from files, APIs, and databases
  • + First-party integrations with agent tooling (Claude Code, LangGraph, MCP server)
  • + Pluggable backends for graph, vector, and relational storage
  • + Bi-temporal model tracks when facts became true and when they changed
  • + Hybrid retrieval across semantic, keyword, and graph traversal
  • + Incremental episodic updates without full graph recomputation
  • + Open source with a managed Zep platform for enterprise scale
Tradeoffs
  • − LLM-driven graph construction adds cost and latency to the ingestion pipeline
  • − Younger project with a fast-moving API surface compared to mature retrieval stores
  • − Graph-plus-vector architecture introduces more moving parts than a plain vector memory
  • − Requires running a supported graph database backend
  • − Graph-based memory adds modeling complexity over simple vector stores
  • − LLM calls for entity extraction add ingestion cost and latency
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