Agent Sandbox vs Freestyle VMs

Freestyle VMs costs $0.04032 per vCPU-hour. Agent Sandbox runs containers. Freestyle VMs runs full VMs.

Updated

Agent Sandbox

Isolation
Container
Free tier
$10 credit with a Google sign-in
Max session
Not listed

Freestyle VMs

Isolation
Full VM
Free tier
Free plan, $0 forever
Max session
Not listed

What is different

5 fields differ. The rest are the same or not listed.

Agent Sandbox
Freestyle VMs
Storage
Agent Sandbox: $0.0005 per MB for output files
Freestyle VMs: $0.000086 per GiB-hour
Free tier
Agent Sandbox: $10 credit with a Google sign-in
Freestyle VMs: Free plan, $0 forever
Paid plan from
Agent Sandbox: Pay as you go
Freestyle VMs: $50 / month
Isolation
Agent Sandbox: Container
Freestyle VMs: Full VM
SDKs
Agent Sandbox: Python
Freestyle VMs: JavaScript

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Agent Sandbox: Not listed
Freestyle VMs: $0.04032
RAM, per GiB-hour
Agent Sandbox: Not listed
Freestyle VMs: $0.0129
Storage
Agent Sandbox: $0.0005 per MB for output files
Freestyle VMs: $0.000086 per GiB-hour
Free tier
Agent Sandbox: $10 credit with a Google sign-in
Freestyle VMs: Free plan, $0 forever
Paid plan from
Agent Sandbox: Pay as you go
Freestyle VMs: $50 / month
Billing
Agent Sandbox: Per second
Freestyle VMs: Per second

Limits

Max session
Agent Sandbox: Not listed
Freestyle VMs: Not listed
Idle stop
Agent Sandbox: After 5 minutes
Freestyle VMs: Not listed
Largest sandbox
Agent Sandbox: Not listed
Freestyle VMs: 32 vCPU · 64 GiB
Concurrent sandboxes
Agent Sandbox: Not listed
Freestyle VMs: Up to 400

Platform

Isolation
Agent Sandbox: Container
Freestyle VMs: Full VM
GPU
Agent Sandbox: Not listed
Freestyle VMs: Not listed
Snapshots
Agent Sandbox: Not listed
Freestyle VMs:
Pause and resume
Agent Sandbox: Not listed
Freestyle VMs:

Developer

SDKs
Agent Sandbox: Python
Freestyle VMs: JavaScript
Integrations
Agent Sandbox: Not listed
Freestyle VMs: OpenAI Agents SDK, Claude Agent SDK

Trust

License
Agent Sandbox: Not listed
Freestyle VMs: Not listed
BYOC
Agent Sandbox: Not listed
Freestyle VMs: Not listed

Hourly cost

One sandbox running for one hour

Agent Sandbox
Freestyle VMs
1 vCPU · 2 GiB
Agent Sandbox: Not listed
Freestyle VMs: $0.066
2 vCPU · 4 GiB
Agent Sandbox: Not listed
Freestyle VMs: $0.132
4 vCPU · 8 GiB
Agent Sandbox: Not listed
Freestyle VMs: $0.264

Compute only, at list rates.

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Which one fits

Based on the fields above

Agent Sandbox fits when

  • You want to pay only for usage, with no plan fee.

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 need snapshots.
  • You need pause and resume.

More comparisons

See all comparisons

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