Celesto Cloud vs Shardflux
Celesto Cloud costs $0.015 per vCPU-hour and Shardflux costs $0.04 per vCPU-hour. Celesto Cloud runs microVMs. Shardflux runs Firecracker microVMs and offers GPUs.
Updated
Celesto Cloud
- Isolation
- MicroVM
- Free tier
- $5 runtime credit, one time, 30 days
- Max session
- Not listed
Shardflux
- Isolation
- Firecracker microVM
- Free tier
- 30-day Pro trial, no card needed
- Max session
- Not listed
What is different
11 fields differ. The rest are the same or not listed.
Celesto Cloud
Shardflux
- vCPU, per hour
- Celesto Cloud: $0.015
- Shardflux: $0.04
- RAM, per GiB-hour
- Celesto Cloud: Included
- Shardflux: $0.015
- Storage
- Celesto Cloud: Free
- Shardflux: Retained storage is a monthly allowance per plan. No hourly storage rate is published.
- Free tier
- Celesto Cloud: $5 runtime credit, one time, 30 days
- Shardflux: 30-day Pro trial, no card needed
- Paid plan from
- Celesto Cloud: Pay as you go
- Shardflux: $9 / month
- Billing
- Celesto Cloud: Bundled machine time
- Shardflux: Active CPU time only
- Largest sandbox
- Celesto Cloud: 8 vCPU · 32 GiB
- Shardflux: 32 vCPU · 64 GiB
- Concurrent sandboxes
- Celesto Cloud: Up to 10
- Shardflux: Up to 200
- Isolation
- Celesto Cloud: MicroVM
- Shardflux: Firecracker microVM
- SDKs
- Celesto Cloud: Python, JavaScript / TypeScript
- Shardflux: TypeScript, Python
- Integrations
- Celesto Cloud: MCP, OpenAI Agents SDK, Claude Code
- Shardflux: Claude Code, MCP
Full comparison
18 fields, at each provider's list price
Celesto Cloudcelesto
Shardfluxshardflux
Pricing
- vCPU, per hour
- Celesto Cloud: $0.015
- Shardflux: $0.04
- RAM, per GiB-hour
- Celesto Cloud: Included
- Shardflux: $0.015
- Storage
- Celesto Cloud: Free
- Shardflux: Retained storage is a monthly allowance per plan. No hourly storage rate is published.
- Free tier
- Celesto Cloud: $5 runtime credit, one time, 30 days
- Shardflux: 30-day Pro trial, no card needed
- Paid plan from
- Celesto Cloud: Pay as you go
- Shardflux: $9 / month
- Billing
- Celesto Cloud: Bundled machine time
- Shardflux: Active CPU time only
Limits
- Max session
- Celesto Cloud: Not listed
- Shardflux: Not listed
- Idle stop
- Celesto Cloud: Not listed
- Shardflux: Not listed
- Largest sandbox
- Celesto Cloud: 8 vCPU · 32 GiB
- Shardflux: 32 vCPU · 64 GiB
- Concurrent sandboxes
- Celesto Cloud: Up to 10
- Shardflux: Up to 200
Platform
- Isolation
- Celesto Cloud: MicroVM
- Shardflux: Firecracker microVM
- GPU
- Celesto Cloud: Not listed
- Shardflux:
- Snapshots
- Celesto Cloud:
- Shardflux:
- Pause and resume
- Celesto Cloud:
- Shardflux:
Developer
- SDKs
- Celesto Cloud: Python, JavaScript / TypeScript
- Shardflux: TypeScript, Python
- Integrations
- Celesto Cloud: MCP, OpenAI Agents SDK, Claude Code
- Shardflux: Claude Code, MCP
Trust
- License
- Celesto Cloud: Apache-2.0
- Shardflux: Not listed
- BYOC
- Celesto Cloud: Not listed
- Shardflux: Not listed
Hourly cost
One sandbox running for one hour
Celesto Cloud
Shardflux
- 1 vCPU · 2 GiB
- Celesto Cloud: $0.015
- Shardflux: $0.070
- 2 vCPU · 4 GiB
- Celesto Cloud: $0.030
- Shardflux: $0.140
- 4 vCPU · 8 GiB
- Celesto Cloud: $0.060
- Shardflux: $0.280
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 the OpenAI Agents SDK.
- You want the lower list price: $0.030 against $0.140 an hour for 2 vCPU and 4 GiB.
Shardflux fits when
- You need GPUs.
- Your code waits a lot: CPU is billed only while it is in use.
- You need a sandbox larger than 8 vCPU · 32 GiB.
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