kitio.aiSimular vs Mantlecore
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Mantlecore has the lower starting price: about $29 a month, against $50 for Simular.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Cloud computer workspace
- Approval before key actions
- Desktop and web control
- Agent S open-source framework
- Browser-based cloud desktop
- Built-in Mantle agent
- Claude and Codex preinstalled
- Daily file backups
- Sleeps when idle
| Feature | Simular | Mantlecore |
|---|---|---|
| Best for | Computer-use agent that works in a secure cloud workspace | Cloud Linux desktop with a built-in agent that keeps working |
| Category | Agents & automation | Agents & automation |
| Pricing model | Free trial | Free trial |
| Starting price | $50/mo | $29/mo |
| Free plan | No, 7-day trial | No, trial available |
| Made by | Simular | EQTECH LLC |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Mantlecore has the lower starting price: about $29 a month, against $50 for Simular.
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
3 plans
MantleOS 8 GB
$29/mo
- Per computer
- 4 vCPU, 80 GB disk
- 160 awake hours, max $59/mo
MantleOS 16 GB
$59/mo
- Per computer
- 8 vCPU, 120 GB disk
- 160 awake hours, max $119/mo
Teams & Enterprise
Contact sales
- Several computers
- Custom setups
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
Simular
- No setup needed
- Approval gates on risky actions
- Strong research background
- Computer-use agents are slower than APIs
- Subscription required after trial
Mantlecore
- Agent runs while you are away
- Real Ubuntu with normal app installs
- Monthly cost is capped
- Free trial lasts only an hour
- Still in beta
- Extra awake hours cost more
Which one should you choose?
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.
Choose Mantlecore if you want:
- Agent runs while you are away
- Real Ubuntu with normal app installs
- Monthly cost is capped
Watch out: free trial lasts only an hour.
Simular vs Mantlecore FAQ
What is the difference between Simular and Mantlecore?
Simular: Computer-use agent that works in a secure cloud workspace. Mantlecore: Cloud Linux desktop with a built-in agent that keeps working. Both are agents & automation tools.
Is Simular or Mantlecore cheaper?
Mantlecore has the lower starting price: about $29 a month, against $50 for Simular.
Do Simular and Mantlecore have free plans?
Simular: No, 7-day trial. Mantlecore: No, trial available.
Who makes Simular?
Simular is made by Simular, based in United States.
Who makes Mantlecore?
Mantlecore is made by EQTECH LLC.
Which should I choose, Simular or Mantlecore?
Choose Simular if you value no setup needed and approval gates on risky actions. Choose Mantlecore if you value agent runs while you are away and real ubuntu with normal app installs.