Freestyle VMs vs PandaStack Sandbox
Freestyle VMs costs $0.04032 per vCPU-hour and PandaStack Sandbox costs $0.054 per vCPU-hour. Freestyle VMs runs full VMs. PandaStack Sandbox runs Firecracker microVMs and has no session limit.
Updated
Freestyle VMs
- Isolation
- Full VM
- Free tier
- Free plan, $0 forever
- Max session
- Not listed
PandaStack Sandbox
- Isolation
- Firecracker microVM
- Free tier
- $5.40 usage credit every month
- Max session
- No limit
What is different
11 fields differ. The rest are the same or not listed.
Freestyle VMs
PandaStack Sandbox
- vCPU, per hour
- Freestyle VMs: $0.04032
- PandaStack Sandbox: $0.054
- RAM, per GiB-hour
- Freestyle VMs: $0.0129
- PandaStack Sandbox: $0.0162
- Storage
- Freestyle VMs: $0.000086 per GiB-hour
- PandaStack Sandbox: $0.15 per GiB-month beyond the plan volume quota
- Free tier
- Freestyle VMs: Free plan, $0 forever
- PandaStack Sandbox: $5.40 usage credit every month
- Paid plan from
- Freestyle VMs: $50 / month
- PandaStack Sandbox: $20 / month
- Billing
- Freestyle VMs: Per second
- PandaStack Sandbox: Active CPU time only
- Largest sandbox
- Freestyle VMs: 32 vCPU · 64 GiB
- PandaStack Sandbox: 8 vCPU · 64 GiB
- Concurrent sandboxes
- Freestyle VMs: Up to 400
- PandaStack Sandbox: Up to 500
- Isolation
- Freestyle VMs: Full VM
- PandaStack Sandbox: Firecracker microVM
- SDKs
- Freestyle VMs: JavaScript
- PandaStack Sandbox: Python, TypeScript
- Integrations
- Freestyle VMs: OpenAI Agents SDK, Claude Agent SDK, Claude Code
- PandaStack Sandbox: LangChain, OpenAI Agents SDK, Vercel AI SDK, MCP
Full comparison
18 fields, at each provider's list price
Freestyle VMsfreestyle
PandaStack Sandboxpandastack
Pricing
- vCPU, per hour
- Freestyle VMs: $0.04032
- PandaStack Sandbox: $0.054
- RAM, per GiB-hour
- Freestyle VMs: $0.0129
- PandaStack Sandbox: $0.0162
- Storage
- Freestyle VMs: $0.000086 per GiB-hour
- PandaStack Sandbox: $0.15 per GiB-month beyond the plan volume quota
- Free tier
- Freestyle VMs: Free plan, $0 forever
- PandaStack Sandbox: $5.40 usage credit every month
- Paid plan from
- Freestyle VMs: $50 / month
- PandaStack Sandbox: $20 / month
- Billing
- Freestyle VMs: Per second
- PandaStack Sandbox: Active CPU time only
Limits
- Max session
- Freestyle VMs: Not listed
- PandaStack Sandbox: No limit
- Idle stop
- Freestyle VMs: Not listed
- PandaStack Sandbox: After 60 minutes
- Largest sandbox
- Freestyle VMs: 32 vCPU · 64 GiB
- PandaStack Sandbox: 8 vCPU · 64 GiB
- Concurrent sandboxes
- Freestyle VMs: Up to 400
- PandaStack Sandbox: Up to 500
Platform
- Isolation
- Freestyle VMs: Full VM
- PandaStack Sandbox: Firecracker microVM
- GPU
- Freestyle VMs: Not listed
- PandaStack Sandbox: Not listed
- Snapshots
- Freestyle VMs:
- PandaStack Sandbox:
- Pause and resume
- Freestyle VMs:
- PandaStack Sandbox:
Developer
- SDKs
- Freestyle VMs: JavaScript
- PandaStack Sandbox: Python, TypeScript
- Integrations
- Freestyle VMs: OpenAI Agents SDK, Claude Agent SDK, Claude Code
- PandaStack Sandbox: LangChain, OpenAI Agents SDK, Vercel AI SDK, MCP
Trust
- License
- Freestyle VMs: Not listed
- PandaStack Sandbox: Apache-2.0
- BYOC
- Freestyle VMs: Not listed
- PandaStack Sandbox: Enterprise plan, BYO-VPC
Hourly cost
One sandbox running for one hour
Freestyle VMs
PandaStack Sandbox
- 1 vCPU · 2 GiB
- Freestyle VMs: $0.066
- PandaStack Sandbox: $0.086
- 2 vCPU · 4 GiB
- Freestyle VMs: $0.132
- PandaStack Sandbox: $0.173
- 4 vCPU · 8 GiB
- Freestyle VMs: $0.264
- PandaStack Sandbox: $0.346
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 Claude Agent SDK or Claude Code.
- You want the lower list price: $0.132 against $0.173 an hour for 2 vCPU and 4 GiB.
- You need a desktop in the sandbox.
PandaStack Sandbox fits when
- You want each sandbox in its own microVM.
- You want an open-source platform (Apache-2.0) that you can self-host.
- You use LangChain, the Vercel AI SDK or MCP.
- You need the sandboxes in your own cloud account.
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