CoreWeave Sandboxes vs Isorun

CoreWeave Sandboxes costs $0.128 per vCPU-hour and Isorun costs $0.025 per vCPU-hour. CoreWeave Sandboxes runs microVMs, offers GPUs and limits a session to 720 hours. Isorun runs microVMs.

Updated

CoreWeave Sandboxes

Isolation
MicroVM
Free tier
Not listed
Max session
720 hours

Isorun

Isolation
MicroVM
Free tier
$50 credit
Max session
Not listed

What is different

5 fields differ. The rest are the same or not listed.

CoreWeave Sandboxes
Isorun
vCPU, per hour
CoreWeave Sandboxes: $0.128
Isorun: $0.025
RAM, per GiB-hour
CoreWeave Sandboxes: $0.0212
Isorun: $0.015
Storage
CoreWeave Sandboxes: Snapshots and volumes billed separately
Isorun: Persistent disk $0.02 per GB-month for data stored
SDKs
CoreWeave Sandboxes: Python, TypeScript
Isorun: TypeScript
Integrations
CoreWeave Sandboxes: Claude Code
Isorun: LangChain, OpenAI Agents SDK, MCP

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
CoreWeave Sandboxes: $0.128
Isorun: $0.025
RAM, per GiB-hour
CoreWeave Sandboxes: $0.0212
Isorun: $0.015
Storage
CoreWeave Sandboxes: Snapshots and volumes billed separately
Isorun: Persistent disk $0.02 per GB-month for data stored
Free tier
CoreWeave Sandboxes: Not listed
Isorun: $50 credit
Paid plan from
CoreWeave Sandboxes: Not listed
Isorun: Pay as you go
Billing
CoreWeave Sandboxes: Per second
Isorun: Per second

Limits

Max session
CoreWeave Sandboxes: 720 hours
Isorun: Not listed
Idle stop
CoreWeave Sandboxes: Not listed
Isorun: Not listed
Largest sandbox
CoreWeave Sandboxes: Not listed
Isorun: Not listed
Concurrent sandboxes
CoreWeave Sandboxes: Up to 5,000
Isorun: Not listed

Platform

Isolation
CoreWeave Sandboxes: MicroVM
Isorun: MicroVM
GPU
CoreWeave Sandboxes:
Isorun: Not listed
Snapshots
CoreWeave Sandboxes:
Isorun:
Pause and resume
CoreWeave Sandboxes: Not listed
Isorun:

Developer

SDKs
CoreWeave Sandboxes: Python, TypeScript
Isorun: TypeScript
Integrations
CoreWeave Sandboxes: Claude Code
Isorun: LangChain, OpenAI Agents SDK, MCP

Trust

License
CoreWeave Sandboxes: Not listed
Isorun: Not listed
BYOC
CoreWeave Sandboxes: Your CKS clusters. CoreWeave runs the gateway.
Isorun: Not listed

Hourly cost

One sandbox running for one hour

CoreWeave Sandboxes
Isorun
1 vCPU · 2 GiB
CoreWeave Sandboxes: $0.170
Isorun: $0.055
2 vCPU · 4 GiB
CoreWeave Sandboxes: $0.341
Isorun: $0.110
4 vCPU · 8 GiB
CoreWeave Sandboxes: $0.682
Isorun: $0.220

Compute only, at list rates.

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Which one fits

Based on the fields above

CoreWeave Sandboxes fits when

  • You need GPUs.
  • You use Claude Code.
  • You need the sandboxes in your own cloud account.

Isorun fits when

  • You use LangChain, the OpenAI Agents SDK or MCP.
  • You want the lower list price: $0.110 against $0.341 an hour for 2 vCPU and 4 GiB.
  • You need pause and resume.

More comparisons

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