These tools competes with

CogneevsZep

OSS graph-based memory layer for AI agents versus Long-term memory and session management for AI assistants

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Choose Cognee when…

  • You want graph-shaped agent memory over flat key-value stores
  • You ingest unstructured corpora and need typed entity extraction
  • You want OSS with a managed cloud option

Choose Zep when…

  • You're building a conversational AI assistant that needs session continuity
  • You need structured fact and entity extraction from conversation history
  • You want temporal memory — your AI knowing when it learned something

Side-by-side comparison

Field
Cognee
Zep
Category
Memory & Persistence
Memory & Persistence
Type
Open Source
Open Source
Free Tier
✓ Yes
✓ Yes
Pricing Plans
OSS: FreeCloud: From $20/mo
Cloud: $99/mo
GitHub Stars
4,000
Health
95 Active
100 Active

Cognee

OSS knowledge-graph-first memory engine for AI agents. Builds a typed graph from unstructured data and exposes graph-traversal retrieval to agents. Rising fast in 2026 alongside Mem0 and Zep.

Zep

Memory and session management platform for AI assistants. Automatically extracts facts, preferences, and entities from conversations and surfaces them as structured memory. Supports temporal reasoning — knowing what was discussed last week versus now.

Shared Connections1 tools both integrate with

Only Cognee (1)

Zep

Only Zep (5)

CogneeGraphitiLangGraphLangChainOpenAI API

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See how Cognee and Zep fit into the bigger picture — 246 tools, 538 relationships, all mapped.

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