Freestyle VMs vs Thunder Sandboxes
Freestyle VMs costs $0.04032 per vCPU-hour and Thunder Sandboxes costs $0.051 per vCPU-hour. Freestyle VMs runs full VMs. Thunder Sandboxes runs Firecracker microVMs and offers GPUs.
Updated
Freestyle VMs
- Isolation
- Full VM
- Free tier
- Free plan, $0 forever
- Max session
- Not listed
Thunder Sandboxes
- Isolation
- Firecracker microVM
- Free tier
- Not listed
- Max session
- Not listed
What is different
5 fields differ. The rest are the same or not listed.
Freestyle VMs
Thunder Sandboxes
- vCPU, per hour
- Freestyle VMs: $0.04032
- Thunder Sandboxes: $0.051
- RAM, per GiB-hour
- Freestyle VMs: $0.0129
- Thunder Sandboxes: $0.016
- Storage
- Freestyle VMs: $0.000086 per GiB-hour
- Thunder Sandboxes: $0.00012 per GiB-hour
- Isolation
- Freestyle VMs: Full VM
- Thunder Sandboxes: Firecracker microVM
- SDKs
- Freestyle VMs: JavaScript
- Thunder Sandboxes: Python
Full comparison
18 fields, at each provider's list price
Freestyle VMsfreestyle
Thunder Sandboxesthundercompute
Pricing
- vCPU, per hour
- Freestyle VMs: $0.04032
- Thunder Sandboxes: $0.051
- RAM, per GiB-hour
- Freestyle VMs: $0.0129
- Thunder Sandboxes: $0.016
- Storage
- Freestyle VMs: $0.000086 per GiB-hour
- Thunder Sandboxes: $0.00012 per GiB-hour
- Free tier
- Freestyle VMs: Free plan, $0 forever
- Thunder Sandboxes: Not listed
- Paid plan from
- Freestyle VMs: $50 / month
- Thunder Sandboxes: Not listed
- Billing
- Freestyle VMs: Per second
- Thunder Sandboxes: Per second
Limits
- Max session
- Freestyle VMs: Not listed
- Thunder Sandboxes: Not listed
- Idle stop
- Freestyle VMs: Not listed
- Thunder Sandboxes: Not listed
- Largest sandbox
- Freestyle VMs: 32 vCPU · 64 GiB
- Thunder Sandboxes: Not listed
- Concurrent sandboxes
- Freestyle VMs: Up to 400
- Thunder Sandboxes: Not listed
Platform
- Isolation
- Freestyle VMs: Full VM
- Thunder Sandboxes: Firecracker microVM
- GPU
- Freestyle VMs: Not listed
- Thunder Sandboxes:
- Snapshots
- Freestyle VMs:
- Thunder Sandboxes: Not listed
- Pause and resume
- Freestyle VMs:
- Thunder Sandboxes: Not listed
Developer
- SDKs
- Freestyle VMs: JavaScript
- Thunder Sandboxes: Python
- Integrations
- Freestyle VMs: OpenAI Agents SDK, Claude Agent SDK
- Thunder Sandboxes: Not listed
Trust
- License
- Freestyle VMs: Not listed
- Thunder Sandboxes: Not listed
- BYOC
- Freestyle VMs: Not listed
- Thunder Sandboxes: Not listed
Hourly cost
One sandbox running for one hour
Freestyle VMs
Thunder Sandboxes
- 1 vCPU · 2 GiB
- Freestyle VMs: $0.066
- Thunder Sandboxes: $0.083
- 2 vCPU · 4 GiB
- Freestyle VMs: $0.132
- Thunder Sandboxes: $0.166
- 4 vCPU · 8 GiB
- Freestyle VMs: $0.264
- Thunder Sandboxes: $0.332
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
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 $0.166 an hour for 2 vCPU and 4 GiB.
- You need snapshots.
Thunder Sandboxes fits when
- You need GPUs.
- You want each sandbox in its own microVM.
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