Cognee is an open-source AI memory engine designed to improve the accuracy and reliability of AI responses by mapping out data connections. It supports unstructured text, raw media files, PDFs, and more, creating a knowledge graph for better AI understanding. With features like customisable storage, smart data ontologies, and real reasoning capabilities, Cognee ensures your AI infrastructure is robust and scalable.
"In the world of AI, memory is everything. Without it, even the most advanced models are just parrots repeating phrases without understanding. That's where Cognee comes in – turning raw data into organized intelligence that makes AI truly useful."
The Memory Problem in Modern AI
Let's face it - we've all been burned by AI hallucinations. You ask a simple question and get back a confidently wrong answer that sounds plausible. It's frustrating, wastes time, and destroys trust in AI systems. The root cause? Most AI lacks persistent memory - the ability to store, organize, and recall information systematically.
Traditional approaches either:
🧩 Treat data as isolated chunks (losing context)
🔍 Use simple vector searches (missing relationships)
🤷♂️ Hope the LLM "remembers" correctly (dangerous assumption)
Cognee solves this with an AI memory engine that structures your data into an intelligent knowledge graph - giving your AI applications reliable context they can actually use.
How Cognee Works: From Chaos to Clarity
Data Ingestion
Accepts any format: PDFs, text, media files, databases
No preprocessing needed - handles unstructured data natively
Intelligent Mapping
Automatically builds a knowledge graph
Identifies entities and relationships you didn't know existed
Applies RDF-based ontologies for semantic understanding
Reasoning-Ready Output
Creates connected knowledge clusters
Enables actual logical reasoning (not just pattern matching)
Serves as reliable memory for your AI applications
Why This Changes Everything for AI Applications
When integrated with Cognee, LLMs and AI agents gain:
✅ 90%+ accuracy out of the box
✅ Reduced hallucinations through grounded data
✅ Context-aware responses that actually make sense
✅ Scalable knowledge that grows with your needs
Real-world impact across industries:
Customer Support: Personalized, accurate responses based on full interaction history
Content Creation: Summaries and generation grounded in your actual documents
Data Analysis: Spot hidden patterns across disparate data sources
Code Generation: Context-aware suggestions based on your entire codebase
The Cognee Difference: More Than Just Another Vector Database
Feature
Typical Vector DB
Cognee
Data Structure
Isolated vectors
Connected knowledge graph
Reasoning
Pattern matching
Actual logical reasoning
Context
Limited window
Persistent memory
Relationships
Not modeled
Explicitly mapped
Accuracy
60-70%
90%+
What makes developers choose Cognee:
Open Source Freedom
Full Python SDK available on GitHub
No vendor lock-in or hidden costs
Military-Grade Control
Deploy on your own servers
Zero third-party data exposure
Enterprise Scalability
Handles terabytes without breaking a sweat
Distributed architecture grows with you
Smart Data, Not Just Big Data
Ontologies create actual understanding
Built-in reasoning engines (bring your own too)
Getting Started With Cognee
For developers ready to upgrade their AI infrastructure:
# Install Cognee
pip install cognee
# Basic usage example
from cognee import Cognee
cognee = Cognee()
cognee.add_data("path/to/your/data")
results = cognee.query("Your natural language question")
Three pricing tiers to fit any need:
Basic: Free forever (open source core)
On-Prem: €1970/month (self-hosted premium)
Platform: €8.50/1M tokens (managed cloud)
Pro Tip: Start with the free tier - it includes all core features with no artificial limits. You'll be shocked how much you can do before needing to upgrade.
The Future of AI Has Memory
As one early adopter put it: "Using Cognee feels like giving your AI applications a photographic memory. Suddenly they stop making stuff up and start providing real value."
In an AI landscape crowded with hype, Cognee delivers something rare - provable improvements in accuracy and reliability by solving the fundamental memory problem holding back most implementations.
Ready to stop fighting hallucinations and start building AI you can trust? Explore Cognee today - your future self (and your users) will thank you.
Features
Open-source
Free to use with a Python SDK, ideal for developers and hobbyists.
Customisable storage
Supports various databases, including vector and graph databases, with easy integration.
Smart data ontologies
Uses RDF-based ontologies to structure data, making it smarter and more interconnected.
Real reasoning
Employs actual reasoners instead of pattern guessing for accurate results.
On-prem deployment
Run on your own servers for sensitive data, ensuring security and compliance.
Scalability
Handles large datasets, from gigabytes to terabytes, with a distributed system.