simular
Artificial intelligence / autonomous computer-use agents
Contents
TL;DR. Simular makes Sai, an agent that operates software on a desktop. Sai can use a cloud computer or a computer with Sai Agent installed. Source
At a Glance
Simular develops computer-use agents. A computer-use agent operates software through actions such as clicks, typing, and scrolling. Simular offers Sai as a hosted product. It also maintains Agent S, an open-source framework for computer use. Sai documentation · Agent S repository
Founders & Leadership
Simular says former DeepMind scientists founded the company. Funding announcement
Traction and Market Position
Simular announced a $21.5 million Series A on December 2, 2025. Its announcement names Felicis, NVentures, and Basis Set among the investors. Funding announcement
The Agent S repository records separate releases and evaluations for different versions. Use the exact benchmark and version when you compare results. Agent S repository
Tags & Categories
Computer use, desktop automation, workflow automation, and developer tools.
Trust & Compliance Posture
Simular says it can send task context to model providers to perform a task. That context can include prompts, files, and screen observations. The privacy policy says Simular requires express consent before it uses customer data to train general models. Sai privacy policy
Simular says Sai keeps task logs and files in cloud storage. Its security guide describes the storage and retention rules for each type of data. Sai security guide
Products & Features
The Sai application programming interface lets software send instructions to the agent. The documentation describes hosted Windows and Linux computers. It also describes connections to a user's Mac or Windows computer. Sai documentation
Agent S uses an Apache-2.0 license. Its repository describes operation on macOS, Windows, and Linux. Agent S repository
Pricing & Business Model
Simular Platform lists a free Explore plan with daily credits and limited cloud access. It lists Pay as you go at $50 per month. That plan includes $50 of usage for model and computer time. Enterprise pricing is custom. These prices apply to Simular Platform. Platform pricing
Who It's Built For
The Sai documentation describes ways for developers to send work from their own software. It also covers tasks that need a browser session and a person's approval to sign in. Sai documentation
How Users Rate It
The reviewed sources describe product functions, pricing, and evaluations. They do not establish a representative customer rating.
Chiri Analysis
Test one repeatable task before you extend Sai to other work. Use a test account and record which actions require human approval. Compare the result with the expected output. Record the time, cost, and corrections for each run.
Chiri Score: 59/100
These scores are Chiri judgments. Chiri did not test the products.
| Dimension | Score | Rationale |
|---|---|---|
| Enterprise readiness | 55/100 | The platform lists an Enterprise plan. This review did not test it. |
| Security posture | 48/100 | Simular describes data controls. This review did not test those controls. |
| Product depth | 72/100 | Sai can use a hosted computer or a computer with Sai Agent installed. |
| Momentum | 63/100 | Simular announced new funding. Its Agent S repository lists separate releases. |
| Pricing transparency | 60/100 | Simular lists public platform prices. It asks enterprise buyers to contact sales. |
Comparisons
| Product | Chiri judgment |
|---|---|
| OpenAI CUA/Operator | Chiri did not compare these products in a test. |
| Anthropic Claude computer use | Chiri did not compare these products in a test. |
Frequently Asked Questions
What does Sai do?
Sai uses a desktop to work in software. Sai documentation
How much does Simular Platform cost?
The Explore plan is free. Pay as you go costs $50 per month. Platform pricing
Can Sai use a cloud computer?
Yes. The documentation describes cloud computers that Simular hosts. Sai documentation
Can Sai use a computer that I own?
Yes. Simular describes connections to a Mac or Windows computer. Sai documentation
What does Simular say about model training?
Simular says it needs express consent to use customer data to train general models. Privacy policy
Does Simular have an open-source project?
Yes. The Agent S repository lists an Apache-2.0 license. Agent S repository
What funding did Simular announce in December 2025?
Simular announced a $21.5 million funding round. Funding announcement
Did Chiri test Sai?
No. We recommend a test with one task before wider use.