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Head-to-head · AI Agent Memory Tools

Mem0 vs MemOS

  • Updated Oct 2026
  • Both researched from official sources
  • 7 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
MemOS #6 in AI Agent Memory Tools 7.6/10 Free plan Free plan✓ 4 of 4 features Visit MemOS

Mem0 leads on 1 check, MemOS on 0, and 6 are even. Who comes out ahead on the 7 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

Mem0 scores higher on our rubric for ai agent memory tools: 8.8 against 7.6 out of 10; our editors rank them #2 and #6.

Mem0 leads on sdk languages: 2 versus 1.

Mem0 is the better fit for teams needing broad, compliant memory infrastructure. MemOS is the better fit for projects needing lifecycle-rich multimodal memory.

  • Mem0 fits best

    Teams needing broad, compliant memory infrastructure

  • MemOS fits best

    Projects needing lifecycle-rich multimodal 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 ↗ MemOS 7.6/10 Visit ↗
At a glance
Editor score 8.8 7.6
Ranking #2 in AI Agent Memory Tools #6 in AI Agent Memory Tools
Best for Teams needing broad, compliant memory infrastructure Projects needing lifecycle-rich multimodal memory
Pricing model Free plan + paid Free plan + paid
Starting price $19/mo $19/mo
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Self-hosted Cloud, Self-hosted
Platforms Web Web
Support Community, Docs Community, Docs
Integrations 25+ integrations 4 integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Mem0 4/4 · MemOS 4/4
Semantic memory ✓ ✓
Episodic memory ✓ ✓
User/profile memory ✓ ✓
Graph-based memory ✓ ✓
Specs
Deployment options Both Both
SDK languages 2 (best) 1
Retention policy Configurable Configurable
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
  • Covers semantic, profile, event, graph, tool and multimodal memory
  • Lifecycle controls include merge, archive, expiration and freeze states
  • Cloud and self-hosted deployment with chat and knowledge-base APIs
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
  • Free and Starter plans list the same feature highlights
  • Dedicated support is listed only for the Pro plan
  • One SDK language is listed in the category specifications
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 →

MemOS is a memory operating system and managed platform for AI applications and agents. It accepts conversations, behavior events, documents, images, skills and tool traces, then extracts, updates, schedules and retrieves memories through…

Read the review →
  1. Mem0AI Agent Memory Tools 8.8Free plan
  2. MemOSAI Agent Memory Tools 7.6Free 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

  • MemOS — where it wins

    • Covers semantic, profile, event, graph, tool and multimodal memory
    • Lifecycle controls include merge, archive, expiration and freeze states
    • Cloud and self-hosted deployment with chat and knowledge-base APIs

    Where it doesn't

    • Free and Starter plans list the same feature highlights
    • Dedicated support is listed only for the Pro plan
    • One SDK language is listed in the category specifications

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