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Graphiti

Build real-time temporal knowledge graphs for AI agents

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Graphiti is an open-source Python framework by Zep for building temporally-aware knowledge graphs for AI agents. It continuously integrates conversations, business data, and external information into queryable graphs with bi-temporal tracking. The hybrid retrieval combines semantic search, BM25 keywords, and graph traversal for sub-300ms queries without LLM calls at retrieval time.

Graphiti solves a fundamental limitation of traditional RAG systems by providing real-time incremental knowledge graph construction instead of batch processing. When new information arrives as episodes of text, JSON, or chat messages, Graphiti extracts entities and relationships, resolves them against existing graph nodes through a three-tier deduplication strategy combining exact match, fuzzy similarity, and LLM reasoning, and detects contradictions that trigger temporal invalidation of outdated facts.

The bi-temporal data model is what sets Graphiti apart from every other knowledge graph framework. Every edge carries explicit validity intervals tracking both when an event occurred and when it was recorded. This enables powerful historical queries where agents can reconstruct the state of knowledge at any point in time. Combined with full provenance tracing from derived facts back to source episodes, Graphiti provides the auditability that enterprise applications require.

Graphiti supports multiple graph backends including Neo4j, FalkorDB, Kuzu, and Amazon Neptune, with LLMs spanning OpenAI, Anthropic, Gemini, and Groq. The MCP server lets Claude, Cursor, and other assistants interact directly with knowledge graphs. The framework powers Zep's commercial platform and demonstrates state-of-the-art agent memory performance, outperforming MemGPT with 94.8% accuracy on the Deep Memory Retrieval benchmark.

Pricing

Free and open-source (Apache 2.0); Zep commercial platform available

Platforms

Python, pip install, Docker, Neo4j/FalkorDB/Kuzu/Neptune backends

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