Head-to-Head Comparison
Cognee vs Zep
Compare features, pricing, integrations, and community reviews
Cognee
AI ToolsCognee is an open-source AI memory engine and knowledge graph layer that structures, connects, and retrieves information for AI agents. Cognee is an open-source AI memory engine and knowledge graph layer that structures, connects, and retrieves information with precision by building knowledge graphs from unstructured data, allowing agents to reason over relationships.
Zep
AI ToolsZep provides persistent memory for AI agents, utilizing temporal context graphs to track facts and manage context. It specializes in context engineering, offering a dedicated memory layer that organizes memories into structured episodes and ensures continuity across interactions. The platform extracts key insights and facts from agent interactions, offering progressive summarization of conversations. Zep supports both semantic and temporal search capabilities, making it suitable for maintaining long-term conversational context and building AI agents.
Pricing
Key Features
- Not available
- Persistent memory for AI agents
- Temporal context graphs
- Context integration from multiple sources
- Governed and managed at scale
- Fast retrieval under 200 milliseconds
Community Verdict
Cognee
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Zep
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At a Glance
Cognee
Pricing
freemium
Key Features
Open-source AI memory engine with a knowledge graph layer. · Secured €7.5 million in seed funding in February 2026. · Cognee v1.0 released June 26, 2026, featuring a memory API with `remember`, `recall`, `forget`, and `improve` functions.
Zep
Best For
AI developers and organizations
Pricing
paid
Key Features
Persistent memory for AI agents, Temporal context graphs, Context integration from multiple sources, Governed and managed at scale, Fast retrieval under 200 milliseconds
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