Eliza vs 
Mem0
Eliza vs Mem0 compared for 2026 — features, license, ease of use, performance and which one to choose. Agents with personality for Discord, X and more vs Long-term memory for AI agents.
Updated regularly · curated by OpenSourceAI.tech
Eliza vs Mem0 at a glance
| Spec | Eliza | Mem0 |
|---|---|---|
| Category | AI agent framework | AI agent framework |
| Type | Agent framework (TS) | Agent memory layer |
| License | MIT | Apache-2.0 |
| Runs locally | Partial | Self-hosted |
| Primary language | TypeScript | Python |
| Ease of use | Intermediate | Intermediate |
| Best for | character-driven agents living on social platforms | developers adding persistent memory to agents |
| GitHub stars | 18.7k | 60.7k |
How Eliza and Mem0 score
| Criterion | Eliza | Mem0 |
|---|---|---|
| Popularity | 3.5 | 4.5 |
| Maintenance | 5.0 | 5.0 |
| Ease of use | 3.5 | 3.5 |
| Privacy | 3.5 | 4.5 |
| License freedom | 5.0 | 5.0 |
Scores are computed automatically from public signals — GitHub stars (popularity), recent commit activity (maintenance), license type (freedom), local-first design (privacy) and onboarding complexity (ease of use). Indicative, not a verdict.
What each one is
Eliza
elizaOS is a TypeScript framework for autonomous agents with personas, memory and connectors to Discord, X and Telegram — the framework behind many social AI agents.
- Personas and long-term memory out of the box
- Native Discord, X and Telegram connectors
- Huge plugin ecosystem in TypeScript
Mem0
Mem0 is a memory layer that gives agents and assistants persistent, personalized memory across sessions, with APIs to store, search and consolidate memories.
- Persistent, personalized agent memory
- Automatic memory extraction and consolidation
- Self-hosted or managed, framework-agnostic
Key differences
Eliza is agent framework (TS), while Mem0 is agent memory layer. Their licenses differ (MIT vs Apache-2.0), which matters if you ship a commercial product. They also differ in how they run (Partial vs Self-hosted). In short, Eliza fits character-driven agents living on social platforms, and Mem0 fits developers adding persistent memory to agents.
Which should you choose?
Choose Eliza for character-driven agents living on social platforms. Choose Mem0 for developers adding persistent memory to agents.
There is rarely one winner — many setups use both. The right pick depends on your hardware, your team's skills, and whether you value simplicity or control.
Frequently asked questions
Is Eliza or Mem0 easier to use?
Both sit at a similar level (Intermediate). Your choice should come down to fit rather than difficulty.
Are Eliza and Mem0 free?
Eliza is free and open source (MIT), and Mem0 is free and open source (Apache-2.0). Neither charges for the core software.
Can I run Eliza and Mem0 locally?
Eliza: partial · Mem0: self-hosted. Both can be used without sending your data to a third-party cloud where their setup allows.
Eliza vs Mem0 — which should I pick in 2026?
Choose Eliza for character-driven agents living on social platforms. Choose Mem0 for developers adding persistent memory to agents.
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