CoreWeave Sandboxes vs Shardflux
CoreWeave Sandboxes costs $0.128 per vCPU-hour and Shardflux costs $0.04 per vCPU-hour. CoreWeave Sandboxes runs microVMs, offers GPUs and limits a session to 720 hours. Shardflux runs Firecracker microVMs and offers GPUs.
Updated
CoreWeave Sandboxes
- Isolation
- MicroVM
- Free tier
- Not listed
- Max session
- 720 hours
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.
CoreWeave Sandboxes
Shardflux
- vCPU, per hour
- CoreWeave Sandboxes: $0.128
- Shardflux: $0.04
- RAM, per GiB-hour
- CoreWeave Sandboxes: $0.0212
- Shardflux: $0.015
- Storage
- CoreWeave Sandboxes: Snapshots and volumes billed separately
- Shardflux: Retained storage is a monthly allowance per plan. No hourly storage rate is published.
- Billing
- CoreWeave Sandboxes: Per second
- Shardflux: Active CPU time only
- Concurrent sandboxes
- CoreWeave Sandboxes: Up to 2,000
- Shardflux: Up to 200
- Isolation
- CoreWeave Sandboxes: MicroVM
- Shardflux: Firecracker microVM
- SDKs
- CoreWeave Sandboxes: Python, TypeScript
- Shardflux: TypeScript, Python
- Integrations
- CoreWeave Sandboxes: Claude Code
- Shardflux: Claude Code, MCP
Full comparison
18 fields, at each provider's list price
CoreWeave Sandboxescoreweave
Shardfluxshardflux
Pricing
- vCPU, per hour
- CoreWeave Sandboxes: $0.128
- Shardflux: $0.04
- RAM, per GiB-hour
- CoreWeave Sandboxes: $0.0212
- Shardflux: $0.015
- Storage
- CoreWeave Sandboxes: Snapshots and volumes billed separately
- Shardflux: Retained storage is a monthly allowance per plan. No hourly storage rate is published.
- Free tier
- CoreWeave Sandboxes: Not listed
- Shardflux: 30-day Pro trial, no card needed
- Paid plan from
- CoreWeave Sandboxes: Not listed
- Shardflux: $9 / month
- Billing
- CoreWeave Sandboxes: Per second
- Shardflux: Active CPU time only
Limits
- Max session
- CoreWeave Sandboxes: 720 hours
- Shardflux: Not listed
- Idle stop
- CoreWeave Sandboxes: Not listed
- Shardflux: Not listed
- Largest sandbox
- CoreWeave Sandboxes: Not listed
- Shardflux: 32 vCPU · 64 GiB
- Concurrent sandboxes
- CoreWeave Sandboxes: Up to 2,000
- Shardflux: Up to 200
Platform
- Isolation
- CoreWeave Sandboxes: MicroVM
- Shardflux: Firecracker microVM
- GPU
- CoreWeave Sandboxes:
- Shardflux:
- Snapshots
- CoreWeave Sandboxes:
- Shardflux:
- Pause and resume
- CoreWeave Sandboxes: Not listed
- Shardflux:
Developer
- SDKs
- CoreWeave Sandboxes: Python, TypeScript
- Shardflux: TypeScript, Python
- Integrations
- CoreWeave Sandboxes: Claude Code
- Shardflux: Claude Code, MCP
Trust
- License
- CoreWeave Sandboxes: Not listed
- Shardflux: Not listed
- BYOC
- CoreWeave Sandboxes: Your CKS clusters. CoreWeave runs the gateway.
- Shardflux: Not listed
Hourly cost
One sandbox running for one hour
CoreWeave Sandboxes
Shardflux
- 1 vCPU · 2 GiB
- CoreWeave Sandboxes: $0.170
- Shardflux: $0.070
- 2 vCPU · 4 GiB
- CoreWeave Sandboxes: $0.341
- Shardflux: $0.140
- 4 vCPU · 8 GiB
- CoreWeave Sandboxes: $0.682
- Shardflux: $0.280
Compute only, at list rates.
Open the calculatorWhich one fits
Based on the fields above
CoreWeave Sandboxes fits when
- You need the sandboxes in your own cloud account.
Shardflux fits when
- You use MCP.
- You want the lower list price: $0.140 against $0.341 an hour for 2 vCPU and 4 GiB.
- You need pause and resume.
- Your code waits a lot: CPU is billed only while it is in use.
More comparisons
Agent Sandbox vs CoreWeave Sandboxes- Agent Sandbox vs Shardflux
Agent37 Cloud vs CoreWeave Sandboxes- Agent37 Cloud vs Shardflux
AgentBay vs CoreWeave Sandboxes- AgentBay vs Shardflux
- Alibaba Cloud Agent Sandbox vs CoreWeave Sandboxes
- Alibaba Cloud Agent Sandbox vs Shardflux