Agent-S

<h1 align="center">
  <img src="images/agent_s.png" alt="Logo" style="vertical-align:middle" width="60"> Agent S:
  <small>Open Computer Use</small>
</h1>

<p align="center">
  <b>An open-source computer use agent that can operate a real GUI like a human or work in the way beyond human capacity.</b>
</p>

<p align="center">
  🏆 <a href="https://www.sai.work/">Sai</a> <a href="https://www.simular.ai/articles/sai-tops-osworld-2-0">tops OSWorld 2.0</a>, beating GPT and Opus at lower cost (73%) &nbsp;·&nbsp;
  🏆 <a href="./gui_agents/s3/README.md">Agent S3</a> is the <a href="https://www.simular.ai/articles/agent-s3">first to surpass human performance on OSWorld</a> (72.60%)
</p>

<p align="center">&nbsp;
<a href="https://trendshift.io/repositories/13151" target="_blank"><img src="https://trendshift.io/api/badge/repositories/13151" alt="simular-ai%2FAgent-S | Trendshift" style="width: 250px; height: 55px;" width="250" height="55"/></a>
</p>

<p align="center">
  <img src="https://img.shields.io/badge/OS-Windows-blue?logo=windows&logoColor=white" alt="Windows">
  <img src="https://img.shields.io/badge/OS-macOS-black?logo=apple&logoColor=white" alt="macOS">
  <img src="https://img.shields.io/badge/OS-Linux-yellow?logo=linux&logoColor=black" alt="Linux">
  <a href="https://discord.gg/E2XfsK9fPV">
    <img src="https://dcbadge.limes.pink/api/server/https://discord.gg/E2XfsK9fPV?style=flat" alt="Discord">
  </a>
  &nbsp;&nbsp;
  <a href="https://pepy.tech/projects/gui-agents">
    <img src="https://static.pepy.tech/badge/gui-agents" alt="PyPI Downloads">
  </a>
</p>

<div align="center">
  <!-- Keep these links. Translations will automatically update with the README. -->
  <a href="https://www.readme-i18n.com/simular-ai/Agent-S?lang=de">Deutsch</a> | 
  <a href="https://www.readme-i18n.com/simular-ai/Agent-S?lang=es">Español</a> | 
  <a href="https://www.readme-i18n.com/simular-ai/Agent-S?lang=fr">français</a> | 
  <a href="https://www.readme-i18n.com/simular-ai/Agent-S?lang=ja">日本語</a> | 
  <a href="https://www.readme-i18n.com/simular-ai/Agent-S?lang=ko">한국어</a> | 
  <a href="https://www.readme-i18n.com/simular-ai/Agent-S?lang=pt">Português</a> | 
  <a href="https://www.readme-i18n.com/simular-ai/Agent-S?lang=ru">Русский</a> | 
  <a href="https://www.readme-i18n.com/simular-ai/Agent-S?lang=zh">中文</a>
</div>

**Agent S** is an open-source computer use agent framework from [Simular](https://www.simular.ai). Give it a task in plain English. It looks at the screen and completes the task by clicking, typing, and scrolling in ordinary desktop and web apps. It runs on macOS, Windows, and Linux.

## 🥳 Updates
- [x] **2026/10/20**: Released **[Agent S4](./agent_s4/README.md)** and its paper ["Evolving Agent Interfaces"](https://arxiv.org/abs/2610.28601): an autonomous computer-use scientist that evolves the interfaces its agents work through from task experience. With Qwen3.8-27B, Agent S4 sets a new open-source state of the art on OSWorld V2 at **21.3%**, 3.8 ti