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Head-to-head · AI Computer Use Agents

Contop vs Simular Sai

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score Contop #4 in AI Computer Use Agents 8.9/10 Open source ✓ 5 of 5 features Visit Contop
Simular Sai #9 in AI Computer Use Agents 8.4/10 Free plan Free plan✓ 5 of 5 features Visit Simular Sai

Contop leads on 0 checks, Simular Sai on 0, and 6 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreContop · 8.9/10
  • Free planonly Simular Sai

Contop scores higher on our rubric for ai computer use agents: 8.9 against 8.4 out of 10; our editors rank them #4 and #9.

On deployment, Simular Sai gives you Hybrid where Contop offers Local.

Contop is the better fit for multidevice users wanting local computer control. Simular Sai is the better fit for hosted or personal-device automation.

  • Contop fits best

    Multidevice users wanting local computer control

  • Simular Sai fits best

    Hosted or personal-device automation

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Side by side

Feature Contop 8.9/10 Visit ↗ Simular Sai 8.4/10 Visit ↗
At a glance
Editor score 8.9 8.4
Ranking #4 in AI Computer Use Agents #9 in AI Computer Use Agents
Best for Multidevice users wanting local computer control Hosted or personal-device automation
Pricing model Free Free plan + paid
Starting price Open source —
Free plan Not checked yet ✓ (best)
Free trial — —
Deployment Desktop, Mobile, Self-hosted Cloud, Desktop
Platforms Windows, macOS, Linux, iOS, Android Windows, macOS, Linux
Support Docs Email, Community, Docs
Integrations 7 integrations 4 integrations
Built for Solo, Small business Solo, Small business, Mid-market, Enterprise
Features Contop 5/5 · Simular Sai 5/5
Desktop app control ✓ ✓
Browser control ✓ ✓
Screen understanding ✓ ✓
Human approval controls ✓ ✓
API access ✓ ✓
Specs
Supported platforms Windows, macOS, Linux, iOS, Android Windows, macOS, Linux
Deployment Local Hybrid
Our review
Pros
  • Controls desktops through graphical actions, browsers, terminals, files, and spreadsheets
  • Supports Windows, macOS, Linux, iOS, and Android with encrypted WebRTC pairing
  • Combines configurable AI providers, reusable skills, workflows, and approval prompts
  • Controls desktop apps, browsers, files, terminals, and graphical interfaces
  • Runs on private cloud computers or users’ own Mac and Windows devices
  • Adds approvals, schedules, persistent context, HTTP API, and CLI access
Cons
  • Requires a local desktop host alongside the mobile client
  • AI provider API keys or subscription modes must be configured by the user
  • Its broad scope may be more than needed for a single-purpose automation task
  • Explore limits users to a daily credit allowance and limited cloud access
  • Sai Unlimited follows fair-use guidelines and covers one workspace
  • Enterprise capabilities such as SSO, RBAC, and SLA guarantees require Enterprise
Our verdict

Contop is an open-source remote AI agent for people who want to control a Windows, macOS, or Linux desktop from a mobile device. It accepts voice and text commands, observes screens, operates graphical applications, navigates Chrome, runs…

Read the review →

Simular Sai is a computer-use agent for individuals, business professionals, founders, researchers, teams, and enterprises handling recurring digital work. Users describe tasks in natural language, and Sai can operate desktop applications,…

Read the review →
  1. ContopAI Computer Use Agents 8.9Open source
  2. Simular SaiAI Computer Use Agents 8.4Free plan

Strengths and trade-offs

  • Contop — where it wins

    • Controls desktops through graphical actions, browsers, terminals, files, and spreadsheets
    • Supports Windows, macOS, Linux, iOS, and Android with encrypted WebRTC pairing
    • Combines configurable AI providers, reusable skills, workflows, and approval prompts

    Where it doesn't

    • Requires a local desktop host alongside the mobile client
    • AI provider API keys or subscription modes must be configured by the user
    • Its broad scope may be more than needed for a single-purpose automation task

  • Simular Sai — where it wins

    • Controls desktop apps, browsers, files, terminals, and graphical interfaces
    • Runs on private cloud computers or users’ own Mac and Windows devices
    • Adds approvals, schedules, persistent context, HTTP API, and CLI access

    Where it doesn't

    • Explore limits users to a daily credit allowance and limited cloud access
    • Sai Unlimited follows fair-use guidelines and covers one workspace
    • Enterprise capabilities such as SSO, RBAC, and SLA guarantees require Enterprise

More comparisons

All AI computer use agents comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update