Tenki Sandbox vs Upstash Box

Tenki Sandbox costs $0.0504 per vCPU-hour and Upstash Box costs $0.10 per vCPU-hour. Tenki Sandbox runs full VMs. Upstash Box runs containers.

Updated

Tenki Sandbox

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

Upstash Box

Isolation
Container
Free tier
Free plan, 5 CPU hours per month
Max session
Not listed

What is different

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

Tenki Sandbox
Upstash Box
vCPU, per hour
Tenki Sandbox: $0.0504
Upstash Box: $0.10
RAM, per GiB-hour
Tenki Sandbox: $0.0162
Upstash Box: Included
Storage
Tenki Sandbox: $0.000108 per GiB-hour after 5 free GiB
Upstash Box: $0.10 per GB per month, including snapshots. Included on Fixed.
Free tier
Tenki Sandbox: $100 credit, one time
Upstash Box: Free plan, 5 CPU hours per month
Paid plan from
Tenki Sandbox: $200 / month
Upstash Box: Pay as you go
Billing
Tenki Sandbox: Per second
Upstash Box: Active CPU time only
Largest sandbox
Tenki Sandbox: 16 vCPU · 64 GiB
Upstash Box: 8 vCPU · 16 GiB
Concurrent sandboxes
Tenki Sandbox: Up to 100
Upstash Box: Up to 1,000
Isolation
Tenki Sandbox: Full VM
Upstash Box: Container
SDKs
Tenki Sandbox: Python, TypeScript, Go
Upstash Box: Python, TypeScript
Integrations
Tenki Sandbox: MCP
Upstash Box: LangChain, Vercel AI SDK

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Tenki Sandbox: $0.0504
Upstash Box: $0.10
RAM, per GiB-hour
Tenki Sandbox: $0.0162
Upstash Box: Included
Storage
Tenki Sandbox: $0.000108 per GiB-hour after 5 free GiB
Upstash Box: $0.10 per GB per month, including snapshots. Included on Fixed.
Free tier
Tenki Sandbox: $100 credit, one time
Upstash Box: Free plan, 5 CPU hours per month
Paid plan from
Tenki Sandbox: $200 / month
Upstash Box: Pay as you go
Billing
Tenki Sandbox: Per second
Upstash Box: Active CPU time only

Limits

Max session
Tenki Sandbox: Not listed
Upstash Box: Not listed
Idle stop
Tenki Sandbox: Not listed
Upstash Box: After 360 minutes
Largest sandbox
Tenki Sandbox: 16 vCPU · 64 GiB
Upstash Box: 8 vCPU · 16 GiB
Concurrent sandboxes
Tenki Sandbox: Up to 100
Upstash Box: Up to 1,000

Platform

Isolation
Tenki Sandbox: Full VM
Upstash Box: Container
GPU
Tenki Sandbox: Not listed
Upstash Box: Not listed
Snapshots
Tenki Sandbox:
Upstash Box:
Pause and resume
Tenki Sandbox:
Upstash Box:

Developer

SDKs
Tenki Sandbox: Python, TypeScript, Go
Upstash Box: Python, TypeScript
Integrations
Tenki Sandbox: MCP
Upstash Box: LangChain, Vercel AI SDK

Trust

License
Tenki Sandbox: Not listed
Upstash Box: Not listed
BYOC
Tenki Sandbox: Not listed
Upstash Box: Not listed

Hourly cost

One sandbox running for one hour

Tenki Sandbox
Upstash Box
1 vCPU · 2 GiB
Tenki Sandbox: $0.083
Upstash Box: $0.100
2 vCPU · 4 GiB
Tenki Sandbox: $0.166
Upstash Box: $0.200
4 vCPU · 8 GiB
Tenki Sandbox: $0.331
Upstash Box: $0.400

Compute only, at list rates.

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Which one fits

Based on the fields above

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 $0.200 an hour for 2 vCPU and 4 GiB.
  • You need a desktop in the sandbox.

Upstash Box fits when

  • You want to pay only for usage, with no plan fee.
  • You use LangChain or the Vercel AI SDK.
  • Your code waits a lot: CPU is billed only while it is in use.

More comparisons

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