Rabbit
Rabbit's OS3 agentic operating system, free to use with your own model API key, and its $199 r1 pocket device.
Rabbit makes OS3, an agentic operating system that works through tasks across the models, skills and computers you connect, and r1, a pocket device that gives you a direct line to OS3. OS3 is free, with model use paid to the provider whose API key you bring; r1 costs $199 (USD) with no subscription.
About Rabbit
You tell OS3 what you want made, found or finished, and it works through the steps, keeping memory and context from earlier work. A longer task can keep running after you close the tab, and sensitive or irreversible actions ask for confirmation; in settings you choose when OS3 checks with you first. Rabbit intern is no longer offered as a standalone product.
Model access is bring-your-own-key: OS3 works with Anthropic, OpenAI, Google Gemini, OpenRouter, Vercel AI Gateway, Ollama Cloud, Z.ai, Moonshot, MiniMax, xAI and OpenCode Go, with any OpenAI-compatible endpoint, or with a model served from one of your own connected computers, for example through Ollama or LM Studio. Your memory, skills and connected computers stay with you when you change your model setup.
OS3 runs in a browser, starting at os3.rabbit.tech, and in a desktop app for macOS and Windows, and you can also reach it through r1, Telegram, and Messages by iMessage, RCS or SMS. Rabbit agent, the local worker installed on a computer you connect, runs on Windows, macOS and Linux and works mainly through that computer's terminal; one account can register up to 20 computers. When a task has to work through an app on screen, OS3 can use DLAM with your permission.
The r1 page lists the device at $199 (USD) with no subscription, shipping in 3 business days and 30-day free returns; its magic recorder offers unlimited recordings, transcripts and AI summaries with no subscription. OS3 can build small r1 apps called creations and install them on a linked r1, and a setting lets rabbit agent on your computer run Claude Code, Hermes and OpenClaw for your r1. Retro mode hands r1 back to the classic rabbit assistant.
Sources: rabbit.tech, /support/article/rabbitos-3 and /rabbit-r1, read 2026-10-27
Rabbit pros and cons
Pros
- OS3 works with the files and tools already on your connected computers, and connecting one does not automatically copy that computer or all its files to rabbit's cloud.
- You can keep keys from more than one provider, such as a cheaper model for lighter work and a stronger one for everything else.
- When you connect a computer, OS3 offers to import the skills of coding agents already installed there, including Claude Code, Codex, Gemini CLI, OpenClaw, Hermes and Cursor.
Cons
- Model use is not included: you need an API key from a supported provider and pay that provider's API prices.
- Work running on a connected computer needs that computer to stay on and connected.
- On r1, the intern buttons now hand requests to OS3, which needs an OS3 account set up and a connected computer online.
- Rabbit calls third-party AI agents on r1 highly experimental and gives no customer support for them.
Tagged
- Web-based
- Agentic Mode
Rabbit alternatives
The closest alternatives to Rabbit.
- 01Paid →Manus
Autonomous AI agent with its own virtual computer that builds apps, slides and videos and runs wide research.
- 02Paid →Lindy
AI employee that works in Slack, iMessage, email and your browser, with 1,500+ integrations and MCP.
- 03Paid →Claude Computer Use
Anthropic API toolset that gives Claude screenshot, mouse and keyboard control of a desktop you run.
Related reading
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</a>Frequently asked questions
- What is Rabbit?
- Rabbit — Rabbit's OS3 agentic operating system, free to use with your own model API key, and its $199 r1 pocket device.
- Is Rabbit free?
- Rabbit offers a free tier and paid plans with higher limits or premium features.
- What platforms does Rabbit support?
- Rabbit's own site lists it for Web, macOS, Windows and Linux.
- What are the alternatives to Rabbit?
- The closest alternatives to Rabbit are Manus, Lindy, Claude Computer Use.
- What are the downsides of Rabbit?
- Model use is not included: you need an API key from a supported provider and pay that provider's API prices. Work running on a connected computer needs that computer to stay on and connected. On r1, the intern buttons now hand requests to OS3, which needs an OS3 account set up and a connected computer online. Rabbit calls third-party AI agents on r1 highly experimental and gives no customer support for them.
- How much does rabbit OS3 cost?
- OS3 itself is free. You bring an API key from a supported model provider and pay that provider at its own API prices; rabbit says this keeps the model relationship under your control.
- How much is the rabbit r1?
- The r1 sells for $199 (USD) and needs no subscription. Rabbit lists shipping in 3 business days and 30-day free returns.
- Do I need an r1 to use OS3?
- You do not: OS3 can be used in a browser or in the desktop app for macOS and Windows, and r1 is an additional physical channel into the same system.
- Which AI models work with OS3?
- Rabbit lists Anthropic, OpenAI, Google Gemini, OpenRouter, Vercel AI Gateway, Ollama Cloud, Z.ai, Moonshot, MiniMax, xAI and OpenCode Go, plus any OpenAI-compatible endpoint and models served from your own connected computer, for example through Ollama or LM Studio.
- Does connecting a computer upload my files to rabbit?
- Rabbit says connecting a computer does not automatically copy it or all of its files into the cloud; OS3 works with the computers and files you choose for a task. Rabbit agent runs locally, while OS3 also uses cloud services and your chosen model provider.