Cloudflare Sandbox vs Tenki Sandbox

Cloudflare Sandbox costs $0.072 per vCPU-hour and Tenki Sandbox costs $0.0504 per vCPU-hour. Cloudflare Sandbox runs Firecracker microVMs. Tenki Sandbox runs full VMs.

Updated Oct 14, 2026

Cloudflare Sandbox

Containers at the edge, driven from a Worker.

Isolation: Firecracker microVM
Free tier: None
Max session: Not listed

Visit site Cloudflare Sandbox 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

Cloudflare Sandbox

Tenki Sandbox

vCPU, per hour: Cloudflare Sandbox: $0.072; Tenki Sandbox: $0.0504
RAM, per GiB-hour: Cloudflare Sandbox: $0.009; Tenki Sandbox: $0.0162
Storage: Cloudflare Sandbox: $0.000252 per GiB-hour; Tenki Sandbox: $0.000108 per GiB-hour after 5 free GiB
Free tier: Cloudflare Sandbox: None; Tenki Sandbox: $100 credit, one time
Paid plan from: Cloudflare Sandbox: $5 / month; Tenki Sandbox: $200 / month
Billing: Cloudflare Sandbox: Active CPU time only; Tenki Sandbox: Per second
Largest sandbox: Cloudflare Sandbox: 4 vCPU · 12 GiB; Tenki Sandbox: 16 vCPU · 64 GiB
Isolation: Cloudflare Sandbox: Firecracker microVM; Tenki Sandbox: Full VM
SDKs: Cloudflare Sandbox: TypeScript; Tenki Sandbox: Python, TypeScript, Go

Full comparison

18 fields, at each provider's list price

Cloudflare Sandboxdevelopers.cloudflare.com/containers/platform/pricingdevelopers.cloudflare.com

Tenki Sandboxtenki.cloud/pricingtenki.cloud

Pricing

vCPU, per hour: Cloudflare Sandbox: $0.072; Tenki Sandbox: $0.0504
RAM, per GiB-hour: Cloudflare Sandbox: $0.009; Tenki Sandbox: $0.0162
Storage: Cloudflare Sandbox: $0.000252 per GiB-hour; Tenki Sandbox: $0.000108 per GiB-hour after 5 free GiB
Free tier: Cloudflare Sandbox: None; Tenki Sandbox: $100 credit, one time
Paid plan from: Cloudflare Sandbox: $5 / month; Tenki Sandbox: $200 / month
Billing: Cloudflare Sandbox: Active CPU time only; Tenki Sandbox: Per second

Limits

Max session: Cloudflare Sandbox: Not listed; Tenki Sandbox: Not listed
Idle stop: Cloudflare Sandbox: Not listed; Tenki Sandbox: Not listed
Largest sandbox: Cloudflare Sandbox: 4 vCPU · 12 GiB; Tenki Sandbox: 16 vCPU · 64 GiB
Concurrent sandboxes: Cloudflare Sandbox: Not listed; Tenki Sandbox: Up to 100

Platform

Isolation: Cloudflare Sandbox: Firecracker microVM; Tenki Sandbox: Full VM
GPU: Cloudflare Sandbox: Not listed; Tenki Sandbox: Not listed
Snapshots: Cloudflare Sandbox:; Tenki Sandbox:
Pause and resume: Cloudflare Sandbox: Not listed; Tenki Sandbox:

Developer

SDKs: Cloudflare Sandbox: TypeScript; Tenki Sandbox: Python, TypeScript, Go
Integrations: Cloudflare Sandbox: Not listed; Tenki Sandbox: MCP

Trust

License: Cloudflare Sandbox: Not listed; Tenki Sandbox: Not listed
BYOC: Cloudflare Sandbox: Not listed; Tenki Sandbox: Not listed

Hourly cost

One sandbox running for one hour

Size

Cloudflare Sandbox

Tenki Sandbox

1 vCPU · 2 GiB: Cloudflare Sandbox: $0.090; Tenki Sandbox: $0.083
2 vCPU · 4 GiB: Cloudflare Sandbox: $0.180; Tenki Sandbox: $0.166
4 vCPU · 8 GiB: Cloudflare Sandbox: $0.360; Tenki Sandbox: $0.331

Compute only, at list rates.

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Which one fits

Based on the fields above

Cloudflare Sandbox fits when

You want each sandbox in its own microVM.
Your code waits a lot: CPU is billed only while it is in use.

Tenki Sandbox fits when

You want each sandbox to be a full VM.
You use MCP.
You want the lower list price: $0.166 against $0.180 an hour for 2 vCPU and 4 GiB.
You want to start without paying.

More comparisons

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Cloudflare Sandbox

Tenki Sandbox

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Cloudflare Sandbox fits when

Tenki Sandbox fits when

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