# AutoGPT vs nanobot
_Autonomous Agents · independent comparison_

> AutoGPT and nanobot are both open-source autonomous agents you can self-host for free. AutoGPT has wider GitHub adoption — 187k stars vs 48k. Neither is universally better — pick by fit.

## Side by side

**AutoGPT**
- Open source · Agent · 187k★ · Python · active 2 days ago
- Best for: Experimenting with long-running autonomous agent loops in an open-source stack.
- Avoid if: You expect production-grade reliability from autonomous loops.
- [listing](https://agentsearchengine.app/agents/autogpt) · [official](https://agpt.co)

**nanobot**
- Open source · Agent · 48k★ · Python · MIT · active 2 days ago
- Best for: A small, readable self-hosted agent framework with memory and MCP built in.
- [listing](https://agentsearchengine.app/agents/nanobot) · [official](https://nanobot.wiki)

## Key differences

- AutoGPT has wider GitHub adoption — 187k stars vs 48k.

## Which to choose

**Choose AutoGPT if:** Experimenting with long-running autonomous agent loops in an open-source stack.

**Choose nanobot if:** A small, readable self-hosted agent framework with memory and MCP built in.

## FAQ

**What's the main difference between AutoGPT and nanobot?**
AutoGPT has wider GitHub adoption — 187k stars vs 48k.

**Is AutoGPT or nanobot better?**
Neither is universally better. AutoGPT is the stronger fit for Experimenting with long-running autonomous agent loops in an open-source stack; nanobot for A small, readable self-hosted agent framework with memory and MCP built in. Use the side-by-side specs to decide by your own constraints.

**Is AutoGPT or nanobot free?**
AutoGPT is free to run and self-host; nanobot is free to run and self-host. Both are free to self-host — you only pay for the infrastructure and any model or API usage.

**Which is more popular, AutoGPT or nanobot?**
By GitHub stars — a proxy for open-source adoption — AutoGPT is ahead (187k vs 48k). Stars measure attention, not necessarily the better fit for you.

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Source: [Agent Search Engine](https://agentsearchengine.app) — https://agentsearchengine.app/compare/autogpt-vs-nanobot