boxd vs Shardflux
boxd costs $0.047 per vCPU-hour and Shardflux costs $0.04 per vCPU-hour. boxd runs microVMs and has no session limit. Shardflux runs Firecracker microVMs and offers GPUs.
Updated
boxd
- Isolation
- MicroVM
- Free tier
- $30 credit with a payment method
- Max session
- No limit
Shardflux
- Isolation
- Firecracker microVM
- Free tier
- 30-day Pro trial, no card needed
- Max session
- Not listed
What is different
8 fields differ. The rest are the same or not listed.
boxd
Shardflux
- vCPU, per hour
- boxd: $0.047
- Shardflux: $0.04
- RAM, per GiB-hour
- boxd: $0.014
- Shardflux: $0.015
- Storage
- boxd: $0.000096 per GiB-hour
- Shardflux: Retained storage is a monthly allowance per plan. No hourly storage rate is published.
- Free tier
- boxd: $30 credit with a payment method
- Shardflux: 30-day Pro trial, no card needed
- Paid plan from
- boxd: Pay as you go
- Shardflux: $9 / month
- Billing
- boxd: Per second
- Shardflux: Active CPU time only
- Largest sandbox
- boxd: 8 vCPU · 32 GiB
- Shardflux: 32 vCPU · 64 GiB
- Isolation
- boxd: MicroVM
- Shardflux: Firecracker microVM
Full comparison
18 fields, at each provider's list price
boxdboxd
Shardfluxshardflux
Pricing
- vCPU, per hour
- boxd: $0.047
- Shardflux: $0.04
- RAM, per GiB-hour
- boxd: $0.014
- Shardflux: $0.015
- Storage
- boxd: $0.000096 per GiB-hour
- Shardflux: Retained storage is a monthly allowance per plan. No hourly storage rate is published.
- Free tier
- boxd: $30 credit with a payment method
- Shardflux: 30-day Pro trial, no card needed
- Paid plan from
- boxd: Pay as you go
- Shardflux: $9 / month
- Billing
- boxd: Per second
- Shardflux: Active CPU time only
Limits
- Max session
- boxd: No limit
- Shardflux: Not listed
- Idle stop
- boxd: After 240 minutes
- Shardflux: Not listed
- Largest sandbox
- boxd: 8 vCPU · 32 GiB
- Shardflux: 32 vCPU · 64 GiB
- Concurrent sandboxes
- boxd: Not listed
- Shardflux: Up to 200
Platform
- Isolation
- boxd: MicroVM
- Shardflux: Firecracker microVM
- GPU
- boxd: Not listed
- Shardflux:
- Snapshots
- boxd:
- Shardflux:
- Pause and resume
- boxd:
- Shardflux:
Developer
- SDKs
- boxd: TypeScript, Python
- Shardflux: TypeScript, Python
- Integrations
- boxd: Claude Code, MCP
- Shardflux: Claude Code, MCP
Trust
- License
- boxd: Not listed
- Shardflux: Not listed
- BYOC
- boxd: Custom plan
- Shardflux: Not listed
Hourly cost
One sandbox running for one hour
boxd
Shardflux
- 1 vCPU · 2 GiB
- boxd: $0.075
- Shardflux: $0.070
- 2 vCPU · 4 GiB
- boxd: $0.150
- Shardflux: $0.140
- 4 vCPU · 8 GiB
- boxd: $0.300
- Shardflux: $0.280
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
boxd fits when
- You want to pay only for usage, with no plan fee.
- You need the sandboxes in your own cloud account.
Shardflux fits when
- You need GPUs.
- You want the lower list price: $0.140 against $0.150 an hour for 2 vCPU and 4 GiB.
- 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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