Celesto Cloud vs Cloudflare Sandbox
Celesto Cloud costs $0.015 per vCPU-hour and Cloudflare Sandbox costs $0.072 per vCPU-hour. Celesto Cloud runs microVMs. Cloudflare Sandbox runs Firecracker microVMs.
Updated
Celesto Cloud
- Isolation
- MicroVM
- Free tier
- $5 runtime credit, one time, 30 days
- Max session
- Not listed
Cloudflare Sandbox
- Isolation
- Firecracker microVM
- Free tier
- None
- Max session
- Not listed
What is different
10 fields differ. The rest are the same or not listed.
Celesto Cloud
Cloudflare Sandbox
- vCPU, per hour
- Celesto Cloud: $0.015
- Cloudflare Sandbox: $0.072
- RAM, per GiB-hour
- Celesto Cloud: Included
- Cloudflare Sandbox: $0.009
- Storage
- Celesto Cloud: Free
- Cloudflare Sandbox: $0.000252 per GiB-hour
- Free tier
- Celesto Cloud: $5 runtime credit, one time, 30 days
- Cloudflare Sandbox: None
- Paid plan from
- Celesto Cloud: Pay as you go
- Cloudflare Sandbox: $5 / month
- Billing
- Celesto Cloud: Bundled machine time
- Cloudflare Sandbox: Active CPU time only
- Largest sandbox
- Celesto Cloud: 8 vCPU · 32 GiB
- Cloudflare Sandbox: 4 vCPU · 12 GiB
- Isolation
- Celesto Cloud: MicroVM
- Cloudflare Sandbox: Firecracker microVM
- SDKs
- Celesto Cloud: Python, JavaScript / TypeScript
- Cloudflare Sandbox: TypeScript
- Integrations
- Celesto Cloud: MCP, OpenAI Agents SDK, Claude Code
- Cloudflare Sandbox: Claude Code
Full comparison
18 fields, at each provider's list price
Celesto Cloudcelesto
Cloudflare Sandboxdevelopers
Pricing
- vCPU, per hour
- Celesto Cloud: $0.015
- Cloudflare Sandbox: $0.072
- RAM, per GiB-hour
- Celesto Cloud: Included
- Cloudflare Sandbox: $0.009
- Storage
- Celesto Cloud: Free
- Cloudflare Sandbox: $0.000252 per GiB-hour
- Free tier
- Celesto Cloud: $5 runtime credit, one time, 30 days
- Cloudflare Sandbox: None
- Paid plan from
- Celesto Cloud: Pay as you go
- Cloudflare Sandbox: $5 / month
- Billing
- Celesto Cloud: Bundled machine time
- Cloudflare Sandbox: Active CPU time only
Limits
- Max session
- Celesto Cloud: Not listed
- Cloudflare Sandbox: Not listed
- Idle stop
- Celesto Cloud: Not listed
- Cloudflare Sandbox: Not listed
- Largest sandbox
- Celesto Cloud: 8 vCPU · 32 GiB
- Cloudflare Sandbox: 4 vCPU · 12 GiB
- Concurrent sandboxes
- Celesto Cloud: Up to 10
- Cloudflare Sandbox: Not listed
Platform
- Isolation
- Celesto Cloud: MicroVM
- Cloudflare Sandbox: Firecracker microVM
- GPU
- Celesto Cloud: Not listed
- Cloudflare Sandbox: Not listed
- Snapshots
- Celesto Cloud:
- Cloudflare Sandbox:
- Pause and resume
- Celesto Cloud:
- Cloudflare Sandbox: Not listed
Developer
- SDKs
- Celesto Cloud: Python, JavaScript / TypeScript
- Cloudflare Sandbox: TypeScript
- Integrations
- Celesto Cloud: MCP, OpenAI Agents SDK, Claude Code
- Cloudflare Sandbox: Claude Code
Trust
- License
- Celesto Cloud: Apache-2.0
- Cloudflare Sandbox: Not listed
- BYOC
- Celesto Cloud: Not listed
- Cloudflare Sandbox: Not listed
Hourly cost
One sandbox running for one hour
Celesto Cloud
Cloudflare Sandbox
- 1 vCPU · 2 GiB
- Celesto Cloud: $0.015
- Cloudflare Sandbox: $0.090
- 2 vCPU · 4 GiB
- Celesto Cloud: $0.030
- Cloudflare Sandbox: $0.180
- 4 vCPU · 8 GiB
- Celesto Cloud: $0.060
- Cloudflare Sandbox: $0.360
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Celesto Cloud fits when
- You want to pay only for usage, with no plan fee.
- 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 $0.180 an hour for 2 vCPU and 4 GiB.
Cloudflare Sandbox fits when
- Your code waits a lot: CPU is billed only while it is in use.
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