Docker Sandboxes vs Shardflux
Docker Sandboxes costs $0.07 per vCPU-hour and Shardflux costs $0.04 per vCPU-hour. Docker Sandboxes runs microVMs and limits a session to 24 hours. Shardflux runs Firecracker microVMs and offers GPUs.
Updated
Docker Sandboxes
- Isolation
- MicroVM
- Free tier
- $25 credit, one time
- Max session
- 24 hours
Shardflux
- Isolation
- Firecracker microVM
- Free tier
- 30-day Pro trial, no card needed
- Max session
- Not listed
What is different
10 fields differ. The rest are the same or not listed.
Docker Sandboxes
Shardflux
- vCPU, per hour
- Docker Sandboxes: $0.07
- Shardflux: $0.04
- RAM, per GiB-hour
- Docker Sandboxes: Included
- Shardflux: $0.015
- Free tier
- Docker Sandboxes: $25 credit, one time
- Shardflux: 30-day Pro trial, no card needed
- Paid plan from
- Docker Sandboxes: Pay as you go
- Shardflux: $9 / month
- Billing
- Docker Sandboxes: Bundled machine time
- Shardflux: Active CPU time only
- Largest sandbox
- Docker Sandboxes: 16 vCPU · 32 GiB
- Shardflux: 32 vCPU · 64 GiB
- Concurrent sandboxes
- Docker Sandboxes: Up to 10
- Shardflux: Up to 200
- Isolation
- Docker Sandboxes: MicroVM
- Shardflux: Firecracker microVM
- SDKs
- Docker Sandboxes: JavaScript / TypeScript
- Shardflux: TypeScript, Python
- Integrations
- Docker Sandboxes: MCP, Claude Code
- Shardflux: Claude Code, MCP
Full comparison
18 fields, at each provider's list price
Docker Sandboxesdocker
Shardfluxshardflux
Pricing
- vCPU, per hour
- Docker Sandboxes: $0.07
- Shardflux: $0.04
- RAM, per GiB-hour
- Docker Sandboxes: Included
- Shardflux: $0.015
- Storage
- Docker Sandboxes: Not listed
- Shardflux: Retained storage is a monthly allowance per plan. No hourly storage rate is published.
- Free tier
- Docker Sandboxes: $25 credit, one time
- Shardflux: 30-day Pro trial, no card needed
- Paid plan from
- Docker Sandboxes: Pay as you go
- Shardflux: $9 / month
- Billing
- Docker Sandboxes: Bundled machine time
- Shardflux: Active CPU time only
Limits
- Max session
- Docker Sandboxes: 24 hours
- Shardflux: Not listed
- Idle stop
- Docker Sandboxes: Not listed
- Shardflux: Not listed
- Largest sandbox
- Docker Sandboxes: 16 vCPU · 32 GiB
- Shardflux: 32 vCPU · 64 GiB
- Concurrent sandboxes
- Docker Sandboxes: Up to 10
- Shardflux: Up to 200
Platform
- Isolation
- Docker Sandboxes: MicroVM
- Shardflux: Firecracker microVM
- GPU
- Docker Sandboxes: Not listed
- Shardflux:
- Snapshots
- Docker Sandboxes:
- Shardflux:
- Pause and resume
- Docker Sandboxes:
- Shardflux:
Developer
- SDKs
- Docker Sandboxes: JavaScript / TypeScript
- Shardflux: TypeScript, Python
- Integrations
- Docker Sandboxes: MCP, Claude Code
- Shardflux: Claude Code, MCP
Trust
- License
- Docker Sandboxes: Not listed
- Shardflux: Not listed
- BYOC
- Docker Sandboxes: Not listed
- Shardflux: Not listed
Hourly cost
One sandbox running for one hour
Docker Sandboxes
Shardflux
- 1 vCPU · 2 GiB
- Docker Sandboxes: $0.070
- Shardflux: $0.070
- 2 vCPU · 4 GiB
- Docker Sandboxes: $0.140
- Shardflux: $0.140
- 4 vCPU · 8 GiB
- Docker Sandboxes: $0.280
- Shardflux: $0.280
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Docker Sandboxes fits when
- You want to pay only for usage, with no plan fee.
Shardflux fits when
- You need GPUs.
- You need a desktop in the sandbox.
- Your code waits a lot: CPU is billed only while it is in use.
- You need a sandbox larger than 16 vCPU · 32 GiB.
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