head to head · open source
nanobot vs eliza
nanobot has 48,274 GitHub stars, 8,533 forks, 775 open issues and last shipped yesterday. eliza has 19,354 stars, 5,739 forks, 1,069 open issues and last shipped yesterday. nanobot leads on adoption by 149% (48,274 vs 19,354 stars). nanobot is written in Python under MIT; eliza is written in TypeScript under MIT. nanobot has attracted 18% 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 1 topic tag (chatbot), 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
| nanobot | eliza | |
|---|---|---|
| GitHub stars | ★ 48K | ★ 19K |
| License | MIT | MIT |
| Written in | Python | TypeScript |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 8.5K | ⑂ 5.7K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick nanobot if
- You weight community size — 48K stars and counting
- You want the MIT 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 nanobot
nanobot is an ultra lightweight, open source, self hosted personal AI agent framework written in Python, aimed at individual developers and small teams who want to run their own agent through a browser WebUI, a terminal, or chat apps instead of renting a hosted assistant.
read the full nanobot 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 nanobot or eliza more popular?
nanobot has 48,274 GitHub stars and eliza has 19,354. nanobot has the larger community by that measure.
Are nanobot and eliza free?
Both are open source. nanobot is licensed under MIT and eliza under MIT. Neither carries a licence fee.
What is the difference between nanobot and eliza?
nanobot 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, nanobot or eliza?
Choose nanobot if you want the larger community (48,274 stars) or its MIT licence terms. Choose eliza if its feature set, stack or MIT licence fits better. Both are self-hostable.