kitio.aiAgent Zero vs Simular
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Agent Zero is completely free, while Simular is free trial.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Docker Linux desktop
- Web UI
- Project-based memory
- Browser and terminal tools
- Skills and plugins
- Cloud computer workspace
- Approval before key actions
- Desktop and web control
- Agent S open-source framework
| Feature | Agent Zero | Simular |
|---|---|---|
| Best for | Open-source agent framework with its own Docker desktop | Computer-use agent that works in a secure cloud workspace |
| Category | Agents & automation | Agents & automation |
| Pricing model | Free | Free trial |
| Starting price | Free | $50/mo |
| Free plan | Yes, fully free | No, 7-day trial |
| Made by | Agent Zero | Simular |
| Based in | – | United States |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Agent Zero is completely free, while Simular is free trial.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Starter
$50/mo
- Cloud Windows computer access
- Generous credits, top up anytime
- Bring your own device
- Community support
Premium
$200/mo
- Always-on Windows or Mac computer
- Higher monthly credit allowance
- Priority support
Pro
$500/mo
- Unlimited usage within fair use
- For teams running Sai continuously
Enterprise
Contact sales
- Managed scaling
- SSO, RBAC, SOC2
- Custom integrations
- SLA guarantees
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Agent Zero
- Free and self-hosted
- Isolated in a container
- Very flexible and hackable
- Needs Docker and some know-how
- Results depend on the model you choose
Simular
- No setup needed
- Approval gates on risky actions
- Strong research background
- Computer-use agents are slower than APIs
- Subscription required after trial
Which one should you choose?
Choose Agent Zero if you want:
- Free and self-hosted
- Isolated in a container
- Very flexible and hackable
Watch out: needs docker and some know-how.
Choose Simular if you want:
- No setup needed
- Approval gates on risky actions
- Strong research background
Watch out: computer-use agents are slower than apis.
Agent Zero vs Simular FAQ
What is the difference between Agent Zero and Simular?
Agent Zero: Open-source agent framework with its own Docker desktop. Simular: Computer-use agent that works in a secure cloud workspace. Both are agents & automation tools.
Is Agent Zero or Simular cheaper?
Agent Zero is completely free, while Simular is free trial.
Do Agent Zero and Simular have free plans?
Agent Zero: Yes, fully free. Simular: No, 7-day trial.
Who makes Agent Zero?
Agent Zero is made by Agent Zero.
Who makes Simular?
Simular is made by Simular, based in United States.
Which should I choose, Agent Zero or Simular?
Choose Agent Zero if you value free and self-hosted and isolated in a container. Choose Simular if you value no setup needed and approval gates on risky actions.