Open-source alternatives to AgentGPT
Looking to replace AgentGPT with something free and open-source? These 8 tools are the best open alternatives in 2026 — most are self-hostable, so you keep full control of your data and pay no subscription.
At a glance: how they compare
Click a column to sort — the best one depends on what matters to you.
| Alternative | Stars | Language | License | Last commit | In one line |
|---|---|---|---|---|---|
| gemini-cli | — | — | Apache-2.0 | — | An open-source AI agent that brings the power of Gemini directly into your terminal. |
| pi | — | — | MIT | — | AI agent toolkit: unified LLM API, agent loop, TUI, coding agent CLI |
| OpenBB | — | — | — | — | Open Data Platform for analysts, quants and AI agents. |
| Agent-Reach | — | — | MIT | — | Give your AI agent eyes to see the entire internet. Read & search Twitter, Reddit, YouTube, GitHub, Bilibili, XiaoHongShu — one CLI, zero API fees. |
| crewAI | — | — | MIT | — | Framework for orchestrating role-playing, autonomous AI agents. By fostering collaborative intelligence, CrewAI empowers agents to work together seamlessly, tackling complex tasks. |
| Flowise | — | — | — | — | Build AI Agents, Visually |
| goose | — | — | Apache-2.0 | — | an open source, extensible AI agent that goes beyond code suggestions - install, execute, edit, and test with any LLM |
| nanobot | — | — | MIT | — | Lightweight, open-source AI agent for your tools, chats, and workflows. |
Which one should you pick?
gemini-cli
An open-source AI agent that brings the power of Gemini directly into your terminal. Its Apache-2.0 license is permissive — free to use commercially, embed and modify. Because it is self-hostable, your data can stay entirely on your own infrastructure.
pi
AI agent toolkit: unified LLM API, agent loop, TUI, coding agent CLI Its MIT license is permissive — free to use commercially, embed and modify. Because it is self-hostable, your data can stay entirely on your own infrastructure.
OpenBB
Open Data Platform for analysts, quants and AI agents. Because it is self-hostable, your data can stay entirely on your own infrastructure.
Agent-Reach
Give your AI agent eyes to see the entire internet. Read & search Twitter, Reddit, YouTube, GitHub, Bilibili, XiaoHongShu — one CLI, zero API fees. Its MIT license is permissive — free to use commercially, embed and modify. Because it is self-hostable, your data can stay entirely on your own infrastructure.
crewAI
Framework for orchestrating role-playing, autonomous AI agents. By fostering collaborative intelligence, CrewAI empowers agents to work together seamlessly, tackling complex tasks. Its MIT license is permissive — free to use commercially, embed and modify. Because it is self-hostable, your data can stay entirely on your own infrastructure.
Flowise
Build AI Agents, Visually Because it is self-hostable, your data can stay entirely on your own infrastructure.
goose
an open source, extensible AI agent that goes beyond code suggestions - install, execute, edit, and test with any LLM Its Apache-2.0 license is permissive — free to use commercially, embed and modify. Because it is self-hostable, your data can stay entirely on your own infrastructure.
nanobot
Lightweight, open-source AI agent for your tools, chats, and workflows. Its MIT license is permissive — free to use commercially, embed and modify. Because it is self-hostable, your data can stay entirely on your own infrastructure.
Switching from AgentGPT without the drama
- Export your data from AgentGPT first — most tools above can import standard formats.
- Run your top pick in parallel for a week or two before committing; self-hosted options can be tried locally in minutes.
- Migrate one team or one project at a time, keeping the old account read-only until everything checks out.
FAQ
What is the best open-source alternative to AgentGPT?
The top open-source alternative is gemini-cli — An open-source AI agent that brings the power of Gemini directly into your terminal. The full ranked list is above.
Are these AgentGPT alternatives free?
Yes. Every tool listed is open-source and free to use; most can be self-hosted so you keep full control of your data.
Can I self-host an alternative to AgentGPT?
Most of these tools are designed to run on your own server or machine, giving you privacy and no subscription fees.
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