Cognee

Adaptive memory layer that helps AI agents learn from context over time.

4.8 (5)

Beoordeeld door Daniel Nikulshyn·Bijgewerkt mei 2026

Knowledge Graph Memory Infrastructure Python SDK Open Source AI Agents LLM Ops Developer Tools

Overzicht

Cognee is a memory infrastructure designed for AI agents and LLM-powered applications. It captures interactions, documents, and structured data, then organizes them into a knowledge graph that agents can query for relevant context on demand. Instead of relying solely on prompt stuffing or basic vector search, Cognee combines graph relationships with semantic retrieval so agents can recall facts, reason across past sessions, and improve responses as they accumulate experience. Developers integrate it through a Python SDK and connect it to common LLMs, vector stores, and graph databases.

Belangrijkste functies

Knowledge graph based agent memory
Semantic and structured data ingestion
Python SDK for agent integration
Pluggable LLM and storage providers
Querying across past sessions and documents
Self-hosted or managed deployment options

Use cases

Long-term memory for AI agents

Give conversational agents persistent recall across sessions by storing interactions in a knowledge graph and retrieving relevant context on demand.

Context-aware RAG over documents

Ingest documents and structured data, then combine graph relationships with semantic search to deliver richer, more accurate retrieval than vector-only RAG.

Reduce hallucinations in LLM apps

Ground LLM responses in previously captured facts and relationships, cutting repetitive prompting and improving answer reliability over time.

Self-hosted memory layer for custom stacks

Use the Python SDK to plug Cognee into preferred LLMs, vector stores, and graph databases, with self-hosted or managed deployment for full control.

Pluspunten & minpunten

Pluspunten

Combines graph and vector retrieval for richer context
Open-source with a flexible Python SDK
Works with multiple LLM and database backends
Helps reduce repetitive prompting and hallucinations

Minpunten

Requires technical setup and infrastructure knowledge
Graph-based memory adds complexity vs. plain vector DBs
Best results need tuning for each use case

Reviews

4.8

Gemiddelde van 5 beoordelingen.

Liam O’Connor

Does the job

Pretty happy overall. Pluggable LLM and storage providers just works and helps reduce repetitive prompting and hallucinations. but no dealbreakers — I'd recommend it to a friend without hesitating.

Carlos Mendoza

Does the job

Pretty happy overall. Querying across past sessions and documents just works and combines graph and vector retrieval for richer context. but no dealbreakers — I'd recommend it to a friend without hesitating.

Pierre Dubois

Years in this space

I've evaluated a lot of these over the years. What stands out here is self-hosted or managed deployment options — handled better than most — and combines graph and vector retrieval for richer context. Worth the time if this is your use case.

Devin Walker

Skeptical, then convinced

I went in skeptical — most tools in this space overpromise. It actually delivers on knowledge graph based agent memory, and combines graph and vector retrieval for richer context caught me off guard. still, I'd recommend giving it a real trial.

Grace Okafor

Skeptical, then convinced

I went in skeptical — most tools in this space overpromise. It actually delivers on knowledge graph based agent memory, and open-source with a flexible Python SDK caught me off guard. Requires technical setup and infrastructure knowledge is why this isn't a perfect score, still, I'd recommend giving it a real trial.

Q&A

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