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Head-to-head · AI Agent Memory Tools

Mem0 vs Cognee

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Mem0 #2 in AI Agent Memory Tools 8.8/10 Free plan Free plan✓ 4 of 4 features Visit Mem0
Cognee #5 in AI Agent Memory Tools 7.7/10 Free plan Free plan✓ 3 of 4 features Visit Cognee

Mem0 leads on 0 checks, Cognee on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreMem0 · 8.8/10
  • Free planboth
  • Most featuresMem0 · 4 of 4

Mem0 scores higher on our rubric for ai agent memory tools: 8.8 against 7.7 out of 10; our editors rank them #2 and #5.

Mem0 is the better fit for teams needing broad, compliant memory infrastructure. Cognee is the better fit for teams building knowledge-graph agent memory.

  • Mem0 fits best

    Teams needing broad, compliant memory infrastructure

  • Cognee fits best

    Teams building knowledge-graph agent memory

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. How we rank.

Side by side

Feature Mem0 8.8/10 Visit ↗ Cognee 7.7/10 Visit ↗
At a glance
Editor score 8.8 7.7
Ranking #2 in AI Agent Memory Tools #5 in AI Agent Memory Tools
Best for Teams needing broad, compliant memory infrastructure Teams building knowledge-graph agent memory
Pricing model Free plan + paid Free plan + paid
Starting price $19/mo $1/unit usage-based
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Self-hosted Cloud, Self-hosted
Platforms Web Web
Support Community, Docs Email, Community, Docs
Integrations 25+ integrations 7 integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Mem0 4/4 · Cognee 3/4
Semantic memory ✓ ✓
Episodic memory ✓ (best) Not checked yet
User/profile memory ✓ ✓
Graph-based memory ✓ ✓
Specs
Deployment options Both Both
SDK languages 2 Not checked yet
Retention policy Configurable Not checked yet
Our review
Pros
  • Persistent, semantic, graph, and episodic memory with contradiction handling
  • Managed API and open-source self-hosting across cloud and private infrastructure
  • 25 integrations plus configurable expiration and scoped identifiers
  • Transforms varied data into searchable entities-and-relationships graphs
  • Supports natural-language, temporal, completion, and chunk searches
  • Offers open-source self-hosting plus managed Cognee Cloud
Cons
  • Graph memory and Dream are limited to Pro and Enterprise plans
  • Hobby and Starter list community support only
  • Enterprise pricing is custom, which makes budgeting less predictable
  • Usage-based billing can make monthly costs harder to forecast
  • BYOC and dedicated support are available only on Enterprise
  • Graph-centered workflows may exceed the needs of simple memory stores
Our verdict

Mem0 provides a memory layer for AI agents and applications. It extracts facts, decisions, and preferences from conversations, stores them as persistent memories, and retrieves relevant context across sessions and agents. Semantic vector…

Read the review →

Cognee is an open-source memory engine and knowledge-graph platform for developers building AI agents and other AI applications. It ingests text, documents, and structured data, then processes them into graphs with entities, relationships,…

Read the review →
  1. Mem0AI Agent Memory Tools 8.8Free plan
  2. CogneeAI Agent Memory Tools 7.7Free plan

Strengths and trade-offs

  • Mem0 — where it wins

    • Persistent, semantic, graph, and episodic memory with contradiction handling
    • Managed API and open-source self-hosting across cloud and private infrastructure
    • 25 integrations plus configurable expiration and scoped identifiers

    Where it doesn't

    • Graph memory and Dream are limited to Pro and Enterprise plans
    • Hobby and Starter list community support only
    • Enterprise pricing is custom, which makes budgeting less predictable

  • Cognee — where it wins

    • Transforms varied data into searchable entities-and-relationships graphs
    • Supports natural-language, temporal, completion, and chunk searches
    • Offers open-source self-hosting plus managed Cognee Cloud

    Where it doesn't

    • Usage-based billing can make monthly costs harder to forecast
    • BYOC and dedicated support are available only on Enterprise
    • Graph-centered workflows may exceed the needs of simple memory stores

More comparisons

All AI agent memory tools comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update