{"slug":"langgraph-store","name":"LangGraph Store","domain":null,"best_rank":6,"categories":1,"entries":[{"slug":"best-long-term-memory-stores-for-ai-agents","title":"Best long-term memory stores for AI agents","rank":6,"of":10,"score":2,"appearances":1,"modelRanks":{"Gemini":4},"reason":"Built natively into the LangGraph framework, LangGraph Store (specifically PostgresStore) provides a robust, production-ready key-value and semantic search store (via pgvector) that integrates directly with LangGraph's checkpointers. It is the best choice for developers already building in LangGraph who want an integrated, minimal-latency, multi-tenant memory store without introducing external microservices or third-party SaaS dependencies.","reasons":[{"model":"Gemini","reason":"Built natively into the LangGraph framework, LangGraph Store (specifically PostgresStore) provides a robust, production-ready key-value and semantic search store (via pgvector) that integrates directly with LangGraph's checkpointers. It is the best choice for developers already building in LangGraph who want an integrated, minimal-latency, multi-tenant memory store without introducing external microservices or third-party SaaS dependencies."}],"fixes":[{"model":"Gemini","fix":"It lacks higher-level cognitive memory abstractions (like automated semantic fact extraction or temporal graph reasoning), requiring developers to manually write and maintain the extraction, updating, and memory consolidation logic."}],"updated":"2026-07-17","api":"https://modelsagree.com/api/v1/best/best-long-term-memory-stores-for-ai-agents.json"}],"page":"https://modelsagree.com/product/langgraph-store","check":"https://modelsagree.com/check?q=LangGraph%20Store","updated":"2026-07-17T08:03:51.047Z","attribution":"modelsagree.com, CC BY 4.0"}