Freestyle VMs vs Tenki Sandbox

Freestyle VMs costs $0.04032 per vCPU-hour and Tenki Sandbox costs $0.0504 per vCPU-hour. Freestyle VMs runs full VMs. Tenki Sandbox runs full VMs.

Updated Oct 14, 2026

Freestyle VMs

Full Linux virtual machines for AI agents.

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

Visit site Freestyle VMs profile

Tenki Sandbox

Disposable Linux VMs for AI agents, driven by SDK or CLI.

Isolation: Full VM
Free tier: $100 credit, one time
Max session: Not listed

Visit site Tenki Sandbox profile

What is different

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

Field

Freestyle VMs

Tenki Sandbox

vCPU, per hour: Freestyle VMs: $0.04032; Tenki Sandbox: $0.0504
RAM, per GiB-hour: Freestyle VMs: $0.0129; Tenki Sandbox: $0.0162
Storage: Freestyle VMs: $0.000086 per GiB-hour; Tenki Sandbox: $0.000108 per GiB-hour after 5 free GiB
Free tier: Freestyle VMs: Free plan, $0 forever; Tenki Sandbox: $100 credit, one time
Paid plan from: Freestyle VMs: $50 / month; Tenki Sandbox: $200 / month
Largest sandbox: Freestyle VMs: 32 vCPU · 64 GiB; Tenki Sandbox: 16 vCPU · 64 GiB
Concurrent sandboxes: Freestyle VMs: Up to 400; Tenki Sandbox: Up to 100
SDKs: Freestyle VMs: JavaScript; Tenki Sandbox: Python, TypeScript, Go
Integrations: Freestyle VMs: OpenAI Agents SDK, Claude Agent SDK; Tenki Sandbox: MCP

Full comparison

18 fields, at each provider's list price

Freestyle VMsfreestyle.sh/pricingfreestyle.sh

Tenki Sandboxtenki.cloud/pricingtenki.cloud

Pricing

vCPU, per hour: Freestyle VMs: $0.04032; Tenki Sandbox: $0.0504
RAM, per GiB-hour: Freestyle VMs: $0.0129; Tenki Sandbox: $0.0162
Storage: Freestyle VMs: $0.000086 per GiB-hour; Tenki Sandbox: $0.000108 per GiB-hour after 5 free GiB
Free tier: Freestyle VMs: Free plan, $0 forever; Tenki Sandbox: $100 credit, one time
Paid plan from: Freestyle VMs: $50 / month; Tenki Sandbox: $200 / month
Billing: Freestyle VMs: Per second; Tenki Sandbox: Per second

Limits

Max session: Freestyle VMs: Not listed; Tenki Sandbox: Not listed
Idle stop: Freestyle VMs: Not listed; Tenki Sandbox: Not listed
Largest sandbox: Freestyle VMs: 32 vCPU · 64 GiB; Tenki Sandbox: 16 vCPU · 64 GiB
Concurrent sandboxes: Freestyle VMs: Up to 400; Tenki Sandbox: Up to 100

Platform

Isolation: Freestyle VMs: Full VM; Tenki Sandbox: Full VM
GPU: Freestyle VMs: Not listed; Tenki Sandbox: Not listed
Snapshots: Freestyle VMs:; Tenki Sandbox:
Pause and resume: Freestyle VMs:; Tenki Sandbox:

Developer

SDKs: Freestyle VMs: JavaScript; Tenki Sandbox: Python, TypeScript, Go
Integrations: Freestyle VMs: OpenAI Agents SDK, Claude Agent SDK; Tenki Sandbox: MCP

Trust

License: Freestyle VMs: Not listed; Tenki Sandbox: Not listed
BYOC: Freestyle VMs: Not listed; Tenki Sandbox: Not listed

Hourly cost

One sandbox running for one hour

Size

Freestyle VMs

Tenki Sandbox

1 vCPU · 2 GiB: Freestyle VMs: $0.066; Tenki Sandbox: $0.083
2 vCPU · 4 GiB: Freestyle VMs: $0.132; Tenki Sandbox: $0.166
4 vCPU · 8 GiB: Freestyle VMs: $0.264; Tenki Sandbox: $0.331

Compute only, at list rates.

Open the calculator

Which one fits

Based on the fields above

Freestyle VMs fits when

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 a sandbox larger than 16 vCPU · 64 GiB.

Tenki Sandbox fits when

You use MCP.
You need SOC 2 Type II.

More comparisons

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Freestyle VMs

Tenki Sandbox

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Freestyle VMs fits when

Tenki Sandbox fits when

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