# Simular

> Simular is a Palo Alto-based AI company building autonomous computer-use agents that operate desktops, browsers, and phones the way a person does - clicking, typing, and navigating graphical interfaces. Its open-source Agent S framework and its always-on assistant Sai use a neuro-symbolic approach that turns exploratory agent runs into deterministic, auditable code to reduce hallucinations. Founded in 2023 by former Google DeepMind researchers Ang Li and Jiachen Yang, Simular has raised about $26.5M and posts state-of-the-art results on computer-use benchmarks.

- **Founded:** 2023
- **Headquarters:** Palo Alto, California, United States
- **Founders:** Ang Li (Co-Founder & CEO), Jiachen Yang (Co-Founder)
- **Team size:** ~30 employees
- **Products:** Sai, Agent S / Agent S2 / Agent S3, Simular Pro, Simular macOS Agent
- **Notable:** Agent S2 became state-of-the-art on the OSWorld computer-use benchmark, reportedly outperforming OpenAI's Operator and Anthropic's Claude Computer-Use., Reported benchmark scores: 72.6% on OSWorld (computer use), 90.1% on WebVoyager (browser), 71.6% on AndroidWorld (smartphone)., Open-source Agent S framework reached nearly 10k GitHub stars.

## Products & services

- **Sai** — An always-on agentic AI coworker that operates a Mac, Windows, or cloud virtual desktop like a human - clicking, typing, and using the GUI, while also interfacing with APIs, terminals, and writing code. Runs in a private, secure virtual desktop with guardrails.
- **Agent S / Agent S2 / Agent S3** — Open-source agentic framework for computer-use agents that observe the screen, plan, and control mouse and keyboard. State-of-the-art on the OSWorld benchmark; nearly 10k GitHub stars.
- **Simular Pro** — Production-grade computer-use agent for desktop automation across professional workflows.
- **Simular macOS Agent** — Version 1.0 desktop AI agent for macOS released December 2, 2025, with a Windows agent following via Microsoft's Windows 365 for Agents program.

## Achievements

- Agent S2 became state-of-the-art on the OSWorld computer-use benchmark, reportedly outperforming OpenAI's Operator and Anthropic's Claude Computer-Use.
- Reported benchmark scores: 72.6% on OSWorld (computer use), 90.1% on WebVoyager (browser), 71.6% on AndroidWorld (smartphone).
- Open-source Agent S framework reached nearly 10k GitHub stars.
- Raised ~$26.5M total, including a $21.5M Series A led by Felicis Ventures in December 2025.
- Shipped macOS Agent v1.0 in December 2025 with a Windows agent via Microsoft's Windows 365 for Agents.

## Latest updates

- **2025-12** — Released macOS Agent v1.0 and raised a $21.5M Series A led by Felicis, with a Windows agent coming via Windows 365 for Agents.
- **2026-06** — Demonstrated Sai handling insurance claims processing running on Microsoft's Windows 365 for Agents.

## Links

- Website: https://www.simular.ai
- LinkedIn: https://www.linkedin.com/company/simular-ai
- Twitter/X: https://x.com/SimularAI
- GitHub: https://github.com/simular-ai
- YouTube: https://www.youtube.com/watch?v=LQL6KA6lJus
- Instagram: https://www.instagram.com/simularai/

---

Profile page: https://yespress.io/simular
Published by YesPress — https://yespress.io
Last updated: 2026-07-10