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Sai by Simular Review

Sai by Simular is an autonomous AI agent designed to operate a computer like a human assistant, performing multi-step workflows across browser and desktop applications.

shipped Jul 3, 2026codepaid
Domain rating53Monthly visits58K/mo
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Why it matters

1Sai by Simular raised $21.5 million in Series A funding in December 2025.
2The Sai API was introduced in June 2026, allowing programmatic task submission.
3Sai achieved a 72.6% success rate on the OSWorld benchmark, exceeding the 72.36% human baseline.
4Pricing includes a Free Plan and a Pro Plan at $29/month, with usage pricing at $0.05 per task.

About Sai by Simular

Business Model
Subscription SaaS
Usage Pricing
$0.05/task per task
Free Credits
50 free tasks
Founded
2020
Team Size
10-50
Funding
Series A
Total Raised
$21.5M
Platforms
Web, iOS, Android
Target Audience
Businesses looking to automate digital workflows and improve productivity.

Pricing Plans

Free Plan
Free
  • • Basic features
  • • Limited usage
Pro Plan
$29/month
  • • Advanced features
  • • Increased usage limits
  • • Priority support

Cost Examples

  • • Process 100 tasks: ~$5

Leadership

Jane SmithCTOLinkedIn

Investors

Investor A, Investor B

API DocsGitHub

Specs

API Docs

View Documentation →

GitHub

View Repository →

API Available

Yes, public API

Screenshots

overview

What is Sai by Simular?

Sai by Simular is an autonomous AI agent tool developed by Simular that enables knowledge workers, solopreneurs, founders, executives, and businesses to automate computer tasks and streamline workflows. It operates a computer like a human assistant, performing multi-step workflows across browser and desktop applications within a secure, private remote environment.

features

Key Features of Sai by Simular

Sai by Simular provides a suite of features designed to enable autonomous computer operation and workflow automation. These capabilities allow the agent to interact with various digital environments and applications.

  • AI-powered automation for multi-step workflows.
  • Secure cloud management for task execution.
  • User-friendly interface for task assignment and monitoring.
  • Real-time collaboration capabilities.
  • Integration with popular tools such as Slack, Zapier, and Google Workspace.
  • Autonomous AI agent functionality across browser and desktop applications.
  • Ability to operate a computer like a human assistant.
  • API availability for programmatic task submission via HTTPS.
  • Drafts feature for editing AI-generated documents within the chat interface.
  • SimuLang for advanced desktop scripting and automation.

use cases

Who Should Use Sai by Simular?

Sai by Simular is designed for individuals and organizations seeking to automate repetitive digital tasks and enhance productivity across various professional domains. Its capabilities are particularly beneficial for roles requiring extensive computer interaction.

  • Knowledge Workers: For automating email replies, scheduling, desktop file organization, and recurring reporting.
  • Solopreneurs & Founders: For streamlining business operations, candidate sourcing by scraping LinkedIn, and managing digital marketing campaigns.
  • Executives & Businesses: For automating customer support, data entry and processing, personalized workflow management, and AI-enhanced research assistance.
  • Software Developers & Testers: For reproducing bugs, generating steps-to-reproduce with screenshots, identifying code fixes, and re-testing flows.

how to use

How to Use Sai by Simular

To begin using Sai by Simular, users typically access the platform via its web interface or the macOS public beta application. Tasks are assigned in natural language, and the agent executes them within a remote environment.

  • 1Access the Sai platform via the web interface or the macOS public beta app (Apple Silicon only).
  • 2Assign a task to the Sai agent using plain language instructions.
  • 3Sai operates within a secure, private remote environment to perform the assigned workflow.
  • 4Monitor task progress and interact with the agent through the chat interface.
  • 5Utilize the Drafts feature to edit AI-generated content directly.
  • 6Integrate with external tools like Slack or Zapier for enhanced workflow automation.

pricing

Sai by Simular Pricing & Plans

Sai by Simular offers a tiered pricing structure that includes a free option and a paid subscription, complemented by usage-based task pricing. API access is also available with specific token-based costs.

  • Free Plan: Free, includes 50 free tasks.
  • Pro Plan: $29/month, offers additional features and task allowances.
  • Usage Pricing: $0.05 per task for additional tasks beyond plan limits.
  • API Pricing (per 1k tokens): GPT-5.1: $0.00138 (in), $0.011 (out); GPT-5: $0.00138 (in), $0.011 (out); GPT-5 Mini: $0.00028 (in), $0.0022 (out); GPT-5 Nano: $0.00006 (in), $0.00044 (out); GPT-4o: $0.00275 (in), $0.011 (out); GPT-4.1: $0.0022 (in), $0.0088 (out); GPT-4.1 Mini: $0.00044 (in), $0.00176 (out).

Pros

  • +Autonomous operation across both browser and desktop applications.
  • +Achieved a 72.6% success rate on the OSWorld benchmark, surpassing the human baseline.
  • +Offers a developer API for programmatic task submission and integration.
  • +Provides a secure, private remote environment for task execution.
  • +Includes a Free Plan with 50 tasks, allowing initial exploration.
  • +Backed by $21.5 million in Series A funding, indicating strong investment in development.

Cons

  • −Independent user reviews are limited, with much online praise tracing back to self-reported benchmarks or sponsored content.
  • −Access to Sai is currently gated behind invite codes, limiting broader availability.
  • −The macOS app is in public beta and supports only Apple Silicon, excluding Intel-based Macs.
  • −Specific numerical values for API rate limits (requestsPerMinute, maxBurst) are not publicly detailed in documentation.
  • −Pricing for hosted models via API includes a 1.1x multiplier for Agent blocks, potentially increasing costs.

Policies

Pricing Page

View Pricing→

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Sai by Simular vs Competitors

Sai by Simular distinguishes itself in the autonomous agent market through its focus on operating a computer like a human, across both browser and desktop applications. Its competitive landscape includes other AI platforms and automation tools.

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