Celesto Cloud vs Upstash Box

Celesto Cloud costs $0.015 per vCPU-hour and Upstash Box costs $0.10 per vCPU-hour. Celesto Cloud runs microVMs. Upstash Box runs containers.

Updated

Celesto Cloud

Isolation
MicroVM
Free tier
$5 runtime credit, one time, 30 days
Max session
Not listed

Upstash Box

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

What is different

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

Celesto Cloud
Upstash Box
vCPU, per hour
Celesto Cloud: $0.015
Upstash Box: $0.10
Storage
Celesto Cloud: Free
Upstash Box: $0.10 per GB per month, including snapshots. Included on Fixed.
Free tier
Celesto Cloud: $5 runtime credit, one time, 30 days
Upstash Box: Free plan, 5 CPU hours per month
Billing
Celesto Cloud: Bundled machine time
Upstash Box: Active CPU time only
Largest sandbox
Celesto Cloud: 8 vCPU · 32 GiB
Upstash Box: 8 vCPU · 16 GiB
Concurrent sandboxes
Celesto Cloud: Up to 10
Upstash Box: Up to 1,000
Isolation
Celesto Cloud: MicroVM
Upstash Box: Container
SDKs
Celesto Cloud: Python, JavaScript / TypeScript
Upstash Box: Python, TypeScript
Integrations
Celesto Cloud: MCP, OpenAI Agents SDK, Claude Code
Upstash Box: LangChain, Vercel AI SDK, Claude Code

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Celesto Cloud: $0.015
Upstash Box: $0.10
RAM, per GiB-hour
Celesto Cloud: Included
Upstash Box: Included
Storage
Celesto Cloud: Free
Upstash Box: $0.10 per GB per month, including snapshots. Included on Fixed.
Free tier
Celesto Cloud: $5 runtime credit, one time, 30 days
Upstash Box: Free plan, 5 CPU hours per month
Paid plan from
Celesto Cloud: Pay as you go
Upstash Box: Pay as you go
Billing
Celesto Cloud: Bundled machine time
Upstash Box: Active CPU time only

Limits

Max session
Celesto Cloud: Not listed
Upstash Box: Not listed
Idle stop
Celesto Cloud: Not listed
Upstash Box: After 360 minutes
Largest sandbox
Celesto Cloud: 8 vCPU · 32 GiB
Upstash Box: 8 vCPU · 16 GiB
Concurrent sandboxes
Celesto Cloud: Up to 10
Upstash Box: Up to 1,000

Platform

Isolation
Celesto Cloud: MicroVM
Upstash Box: Container
GPU
Celesto Cloud: Not listed
Upstash Box: Not listed
Snapshots
Celesto Cloud:
Upstash Box:
Pause and resume
Celesto Cloud:
Upstash Box:

Developer

SDKs
Celesto Cloud: Python, JavaScript / TypeScript
Upstash Box: Python, TypeScript
Integrations
Celesto Cloud: MCP, OpenAI Agents SDK, Claude Code
Upstash Box: LangChain, Vercel AI SDK, Claude Code

Trust

License
Celesto Cloud: Apache-2.0
Upstash Box: Not listed
BYOC
Celesto Cloud: Not listed
Upstash Box: Not listed

Hourly cost

One sandbox running for one hour

Celesto Cloud
Upstash Box
1 vCPU · 2 GiB
Celesto Cloud: $0.015
Upstash Box: $0.100
2 vCPU · 4 GiB
Celesto Cloud: $0.030
Upstash Box: $0.200
4 vCPU · 8 GiB
Celesto Cloud: $0.060
Upstash Box: $0.400

Compute only, at list rates.

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Which one fits

Based on the fields above

Celesto Cloud fits when

  • You want each sandbox in its own microVM.
  • You want an open-source platform (Apache-2.0).
  • You use MCP or the OpenAI Agents SDK.
  • You want the lower list price: $0.030 against $0.200 an hour for 2 vCPU and 4 GiB.

Upstash Box fits when

  • 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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