head to head · open source
Open WebUI vs eliza
Open WebUI has 152,394 GitHub stars, 22,296 forks, 294 open issues and last shipped yesterday. eliza has 19,354 stars, 5,739 forks, 1,069 open issues and last shipped yesterday. Open WebUI leads on adoption by 687% (152,394 vs 19,354 stars). Open WebUI is written in Python under a custom or non-standard licence; eliza is written in TypeScript under MIT. Open WebUI has attracted 15% as many forks as stars, eliza 30%. eliza was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (ai, rag), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Open WebUI | eliza | |
|---|---|---|
| GitHub stars | ★ 152K | ★ 19K |
| License | Custom / other | MIT |
| Written in | Python | TypeScript |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 22K | ⑂ 5.7K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Open WebUI if
- You weight community size — 152K stars and counting
- You want the Custom / other license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick eliza if
- You want the eliza feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and eliza fits your workflow better
About Open WebUI
Open WebUI is a self hosted, open source AI interface that unifies access to local and cloud based large language models. It runs entirely in a web browser and supports Ollama for local model hosting alongside any OpenAI compatible API, including services like LMStudio, GroqCloud, Mistral, and OpenRouter. Built in Python, it functions as a drop in replacement for proprietary AI platforms, giving users full control over their model infrastructure and data.
read the full Open WebUI overview →
About eliza
elizaOS is an open source, MIT licensed TypeScript framework and product stack for autonomous AI agents, built for developers who want to run or extend their own agent runtime and for end users who want a personal agent app on web, desktop, and mobile.
read the full eliza overview →
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Frequently asked questions
Is Open WebUI or eliza more popular?
Open WebUI has 152,394 GitHub stars and eliza has 19,354. Open WebUI has the larger community by that measure.
Are Open WebUI and eliza free?
Both are open source. Open WebUI has no licence declared in this registry, and eliza is licensed under MIT. Both are free to self-host.
What is the difference between Open WebUI and eliza?
Open WebUI is written in Python and eliza in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Open WebUI or eliza?
Choose Open WebUI if you want the larger community (152,394 stars) or its Custom / other licence terms. Choose eliza if its feature set, stack or MIT licence fits better. Both are self-hostable.