Cognee vs Zep Memory: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Cognee and Zep Memory side by side. This page compares data; it is not a hands-on review.
On the data: On the data below, Zep Memory leads on lower entry price. We do not name an overall winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Cognee
Build AI agents with persistent, structured graph memory
Best for you if:
- • You want provides durable, shared memory for AI agents, improving their consistency and intelligence
Zep Memory
Build personalized, fast, and reliable AI agents with comprehensive, evolving memory.
Best for you if:
- • You want significantly improves AI agent accuracy and personalization by providing rich, evolving context
| At a Glance | Cognee | Zep Memory |
|---|---|---|
Starts at | Free plan, paid from $35/mo, billed monthly Developer plan | Free plan, paid from $25/mo, billed monthly Flex plan |
Category | AI Agents Data & Databases | Data & Databases Developer Tools |
Rating | n/a | n/a |
Free plan | Yes | Yes |
Choose Cognee or Zep Memory?
Choose Cognee if
- You want provides durable, shared memory for AI agents, improving their consistency and intelligence
- You want supports a wide range of data sources and agent frameworks, offering flexibility
- You work in AI agents, not data & databases
Choose Zep Memory if
- You want significantly improves AI agent accuracy and personalization by providing rich, evolving context
- You want reduces inference costs and response latency by delivering token-efficient and relevant context
- Budget matters ($25/mo, billed monthly vs $35/mo, billed monthly)
- You work in data & databases, not AI agents
In-Depth Analysis
Cognee
Build AI agents with persistent, structured graph memory
Cognee's pricing is fair, offering a generous Free tier for basic experimentation.
Strengths
- Pro: Provides durable, shared memory for AI agents, improving their consistency and intelligence.
- Pro: Supports a wide range of data sources and agent frameworks, offering flexibility.
- Pro: Offers both open-source local development and scalable cloud/on-premise deployment options.
- Pro: Automatically generates and updates ontologies, keeping knowledge structures fresh.
- Pro: Ensures data security and compliance with options for private cloud or on-premise deployment.
Weaknesses
- Con: Requires integration and configuration with existing agent systems.
- Con: The complexity of graph memory and ontology management may have a learning curve for new users.
- Con: Scalability and advanced features are primarily available in paid tiers.
Key features
Zep Memory
Build personalized, fast, and reliable AI agents with comprehensive, evolving memory.
Zep Memory's pricing feels fair, especially with a generous Free tier offering 1,000 episodes a month.
Strengths
- Pro: Significantly improves AI agent accuracy and personalization by providing rich, evolving context.
- Pro: Reduces inference costs and response latency by delivering token-efficient and relevant context.
- Pro: Integrates diverse data sources (chat, business data, user behavior) into a single knowledge graph.
- Pro: Designed for real-time applications with extremely low retrieval latency (<200ms).
- Pro: Supports custom graph ontologies for domain-specific memory and improved relevance.
Weaknesses
- Con: No explicit free tier mentioned, suggesting it's a paid solution.
- Con: Requires integration and setup to connect various data sources.
- Con: Complexity of managing and defining custom graph ontologies might require some expertise.
Key features
Plans and prices: Cognee vs Zep Memory
| Tool | Plans and prices | Source |
|---|---|---|
| Cognee |
| cognee.ai/pricing read Oct 27, 2026 |
| Zep Memory |
| getzep.com/pricing read Oct 13, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Cognee pricing and Zep Memory pricing.
Key Takeaways
Cognee
- Choose if you want build AI agents with persistent, structured graph memory
Zep Memory
- Lower entry price: $25/mo, billed monthly vs $35/mo, billed monthly
What the data shows
On the data below, Zep Memory leads on lower entry price. We do not name an overall winner for this pair.
- Zep Memory has the lower entry price: $25/mo, billed monthly (Flex) against $35/mo, billed monthly (Developer) for Cognee.
- Both have a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Cognee and Zep Memory compare in 2026?
On the data below, Zep Memory leads on lower entry price. We do not name an overall winner for this pair. Zep Memory has the lower entry price: $25/mo, billed monthly (Flex) against $35/mo, billed monthly (Developer) for Cognee. Both have a free plan.
What are Cognee and Zep Memory used for?
Cognee: Build AI agents with persistent, structured graph memory. Zep Memory: Build personalized, fast, and reliable AI agents with comprehensive, evolving memory.
What does Cognee cost vs Zep Memory?
Cognee's cheapest paid plan is Developer at $35/mo, billed monthly; it also has a free plan. Zep Memory's cheapest paid plan is Flex at $25/mo, billed monthly; it also has a free plan. Prices read on the vendors' pricing pages, latest check Oct 27, 2026.
What's the main difference between Cognee and Zep Memory?
Cognee's main strength: provides durable, shared memory for AI agents, improving their consistency and intelligence. Zep Memory's main strength: significantly improves AI agent accuracy and personalization by providing rich, evolving context.