Namespace Devboxes vs Shardflux
Namespace Devboxes costs $0.06 per vCPU-hour and Shardflux costs $0.04 per vCPU-hour. Namespace Devboxes runs full VMs. Shardflux runs Firecracker microVMs and offers GPUs.
Updated
Namespace Devboxes
- Isolation
- Full VM
- Free tier
- 30-day free trial
- Max session
- Not listed
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.
Namespace Devboxes
Shardflux
- vCPU, per hour
- Namespace Devboxes: $0.06
- Shardflux: $0.04
- RAM, per GiB-hour
- Namespace Devboxes: Included
- Shardflux: $0.015
- Storage
- Namespace Devboxes: $0.20 per GB-month for storage used
- Shardflux: Retained storage is a monthly allowance per plan. No hourly storage rate is published.
- Free tier
- Namespace Devboxes: 30-day free trial
- Shardflux: 30-day Pro trial, no card needed
- Paid plan from
- Namespace Devboxes: Pay as you go
- Shardflux: $9 / month
- Billing
- Namespace Devboxes: Bundled machine time
- Shardflux: Active CPU time only
- Concurrent sandboxes
- Namespace Devboxes: Up to 50
- Shardflux: Up to 200
- Isolation
- Namespace Devboxes: Full VM
- Shardflux: Firecracker microVM
- SDKs
- Namespace Devboxes: TypeScript, Go
- Shardflux: TypeScript, Python
- Integrations
- Namespace Devboxes: Claude Code
- Shardflux: Claude Code, MCP
Full comparison
18 fields, at each provider's list price
Namespace Devboxesnamespace
Shardfluxshardflux
Pricing
- vCPU, per hour
- Namespace Devboxes: $0.06
- Shardflux: $0.04
- RAM, per GiB-hour
- Namespace Devboxes: Included
- Shardflux: $0.015
- Storage
- Namespace Devboxes: $0.20 per GB-month for storage used
- Shardflux: Retained storage is a monthly allowance per plan. No hourly storage rate is published.
- Free tier
- Namespace Devboxes: 30-day free trial
- Shardflux: 30-day Pro trial, no card needed
- Paid plan from
- Namespace Devboxes: Pay as you go
- Shardflux: $9 / month
- Billing
- Namespace Devboxes: Bundled machine time
- Shardflux: Active CPU time only
Limits
- Max session
- Namespace Devboxes: Not listed
- Shardflux: Not listed
- Idle stop
- Namespace Devboxes: After 15 minutes
- Shardflux: Not listed
- Largest sandbox
- Namespace Devboxes: 32 vCPU · 64 GiB
- Shardflux: 32 vCPU · 64 GiB
- Concurrent sandboxes
- Namespace Devboxes: Up to 50
- Shardflux: Up to 200
Platform
- Isolation
- Namespace Devboxes: Full VM
- Shardflux: Firecracker microVM
- GPU
- Namespace Devboxes: Not listed
- Shardflux:
- Snapshots
- Namespace Devboxes: Not listed
- Shardflux:
- Pause and resume
- Namespace Devboxes:
- Shardflux:
Developer
- SDKs
- Namespace Devboxes: TypeScript, Go
- Shardflux: TypeScript, Python
- Integrations
- Namespace Devboxes: Claude Code
- Shardflux: Claude Code, MCP
Trust
- License
- Namespace Devboxes: Not listed
- Shardflux: Not listed
- BYOC
- Namespace Devboxes: Not listed
- Shardflux: Not listed
Hourly cost
One sandbox running for one hour
Namespace Devboxes
Shardflux
- 1 vCPU · 2 GiB
- Namespace Devboxes: $0.060
- Shardflux: $0.070
- 2 vCPU · 4 GiB
- Namespace Devboxes: $0.120
- Shardflux: $0.140
- 4 vCPU · 8 GiB
- Namespace Devboxes: $0.240
- Shardflux: $0.280
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
Namespace Devboxes fits when
- You want to pay only for usage, with no plan fee.
- You want each sandbox to be a full VM.
- You want the lower list price: $0.120 against $0.140 an hour for 2 vCPU and 4 GiB.
- You need SOC 2 Type II.
Shardflux fits when
- You need GPUs.
- You want each sandbox in its own microVM.
- You use MCP.
- You need snapshots.
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