Open-Source AI · AI agent framework

Eliza vs Phidata

Eliza vs Phidata compared for 2026 — features, license, ease of use, performance and which one to choose. Agents with personality for Discord, X and more vs Agents with memory, knowledge and tools.

Updated regularly · curated by OpenSourceAI.tech

Choose Eliza for character-driven agents living on social platforms. Choose Phidata for agents that need to remember and retrieve.

Eliza vs Phidata at a glance

SpecElizaPhidata
CategoryAI agent frameworkAI agent framework
TypeAgent framework (TS)Agent framework
LicenseMITMPL-2.0
Runs locallyPartialYes
Primary languageTypeScriptPython
Ease of useIntermediateBeginner
Best forcharacter-driven agents living on social platformsagents that need to remember and retrieve
GitHub stars18.7k

How Eliza and Phidata score

🏆 Overall edge: Phidata — 4.5 vs 4.1 / 5
CriterionElizaPhidata
Popularity3.5n/a
Maintenance5.0n/a
Ease of use3.55.0
Privacy3.55.0
License freedom5.03.5

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

Agent framework (TS) · MIT

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
See the Eliza page →

Phidata

Agent framework · MPL-2.0

Phidata builds agents that combine memory, a knowledge base and tools, and ships a UI to chat with and inspect them.

  • Memory and knowledge built in
  • Ships an agent inspection UI
  • Simple, readable API
Visit Phidata →

Key differences

Eliza is agent framework (TS), while Phidata is agent framework. Their licenses differ (MIT vs MPL-2.0), which matters if you ship a commercial product. Eliza leans more intermediate-friendly, whereas Phidata is more suited to beginner users. They also differ in how they run (Partial vs Yes). In short, Eliza fits character-driven agents living on social platforms, and Phidata fits agents that need to remember and retrieve.

Which should you choose?

Choose Eliza for character-driven agents living on social platforms. Choose Phidata for agents that need to remember and retrieve.

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 Phidata easier to use?

Phidata is generally the easier of the two to get started with, while Eliza rewards more setup with more control.

Are Eliza and Phidata free?

Eliza is free and open source (MIT), and Phidata is free and open source (MPL-2.0). Neither charges for the core software.

Can I run Eliza and Phidata locally?

Eliza: partial · Phidata: yes. Both can be used without sending your data to a third-party cloud where their setup allows.

Eliza vs Phidata — which should I pick in 2026?

Choose Eliza for character-driven agents living on social platforms. Choose Phidata for agents that need to remember and retrieve.

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