Docker Sandboxes vs Freestyle VMs
Docker Sandboxes costs $0.07 per vCPU-hour and Freestyle VMs costs $0.04032 per vCPU-hour. Docker Sandboxes runs microVMs. Freestyle VMs runs full VMs.
Updated
Docker Sandboxes
- Isolation
- MicroVM
- Free tier
- One-time promotional credit for cloud compute
- Max session
- Not listed
Freestyle VMs
- Isolation
- Full VM
- Free tier
- Free plan, $0 forever
- Max session
- Not listed
What is different
10 fields differ. The rest are the same or not listed.
Docker Sandboxes
Freestyle VMs
- vCPU, per hour
- Docker Sandboxes: $0.07
- Freestyle VMs: $0.04032
- RAM, per GiB-hour
- Docker Sandboxes: Included
- Freestyle VMs: $0.0129
- Free tier
- Docker Sandboxes: One-time promotional credit for cloud compute
- Freestyle VMs: Free plan, $0 forever
- Paid plan from
- Docker Sandboxes: Pay as you go
- Freestyle VMs: $50 / month
- Billing
- Docker Sandboxes: Bundled machine time
- Freestyle VMs: Per second
- Largest sandbox
- Docker Sandboxes: 16 vCPU · 32 GiB
- Freestyle VMs: 32 vCPU · 64 GiB
- Concurrent sandboxes
- Docker Sandboxes: Up to 10
- Freestyle VMs: Up to 400
- Isolation
- Docker Sandboxes: MicroVM
- Freestyle VMs: Full VM
- SDKs
- Docker Sandboxes: JavaScript / TypeScript
- Freestyle VMs: JavaScript
- Integrations
- Docker Sandboxes: MCP
- Freestyle VMs: OpenAI Agents SDK, Claude Agent SDK
Full comparison
18 fields, at each provider's list price
Docker Sandboxesdocker
Freestyle VMsfreestyle
Pricing
- vCPU, per hour
- Docker Sandboxes: $0.07
- Freestyle VMs: $0.04032
- RAM, per GiB-hour
- Docker Sandboxes: Included
- Freestyle VMs: $0.0129
- Storage
- Docker Sandboxes: Not listed
- Freestyle VMs: $0.000086 per GiB-hour
- Free tier
- Docker Sandboxes: One-time promotional credit for cloud compute
- Freestyle VMs: Free plan, $0 forever
- Paid plan from
- Docker Sandboxes: Pay as you go
- Freestyle VMs: $50 / month
- Billing
- Docker Sandboxes: Bundled machine time
- Freestyle VMs: Per second
Limits
- Max session
- Docker Sandboxes: Not listed
- Freestyle VMs: Not listed
- Idle stop
- Docker Sandboxes: Not listed
- Freestyle VMs: Not listed
- Largest sandbox
- Docker Sandboxes: 16 vCPU · 32 GiB
- Freestyle VMs: 32 vCPU · 64 GiB
- Concurrent sandboxes
- Docker Sandboxes: Up to 10
- Freestyle VMs: Up to 400
Platform
- Isolation
- Docker Sandboxes: MicroVM
- Freestyle VMs: Full VM
- GPU
- Docker Sandboxes: Not listed
- Freestyle VMs: Not listed
- Snapshots
- Docker Sandboxes:
- Freestyle VMs:
- Pause and resume
- Docker Sandboxes:
- Freestyle VMs:
Developer
- SDKs
- Docker Sandboxes: JavaScript / TypeScript
- Freestyle VMs: JavaScript
- Integrations
- Docker Sandboxes: MCP
- Freestyle VMs: OpenAI Agents SDK, Claude Agent SDK
Trust
- License
- Docker Sandboxes: Not listed
- Freestyle VMs: Not listed
- BYOC
- Docker Sandboxes: Not listed
- Freestyle VMs: Not listed
Hourly cost
One sandbox running for one hour
Docker Sandboxes
Freestyle VMs
- 1 vCPU · 2 GiB
- Docker Sandboxes: $0.070
- Freestyle VMs: $0.066
- 2 vCPU · 4 GiB
- Docker Sandboxes: $0.140
- Freestyle VMs: $0.132
- 4 vCPU · 8 GiB
- Docker Sandboxes: $0.280
- Freestyle VMs: $0.264
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Docker Sandboxes fits when
- You want to pay only for usage, with no plan fee.
- You want each sandbox in its own microVM.
- You use MCP.
Freestyle VMs fits when
- You want each sandbox to be a full VM.
- You use the OpenAI Agents SDK or the Claude Agent SDK.
- You want the lower list price: $0.132 against $0.140 an hour for 2 vCPU and 4 GiB.
- You need a desktop in the sandbox.
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