InstaVM vs Sandbox0

InstaVM costs $0.0504 per vCPU-hour. Sandbox0 bills memory only, at $0.015 per GiB-hour. InstaVM runs Firecracker microVMs. Sandbox0 runs gVisor and has no session limit.

Updated Oct 14, 2026

InstaVM

Hardware-isolated microVMs for AI agent code.

Isolation: Firecracker microVM
Free tier: $50 credit
Max session: Not listed

Visit site InstaVM profile

Sandbox0

Long-running agent sandboxes with durable storage.

Isolation: gVisor
Free tier: Not listed
Max session: No limit

Visit site Sandbox0 profile

What is different

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

Field

InstaVM

Sandbox0

vCPU, per hour: InstaVM: $0.0504; Sandbox0: Included
RAM, per GiB-hour: InstaVM: $0.0162; Sandbox0: $0.015
Storage: InstaVM: $0.0002 per GiB-hour after 10 free GiB; Sandbox0: Free
Paid plan from: InstaVM: $100 / month; Sandbox0: Pay as you go
Billing: InstaVM: Per second; Sandbox0: Memory only
Concurrent sandboxes: InstaVM: Up to 100; Sandbox0: Up to 20
Isolation: InstaVM: Firecracker microVM; Sandbox0: gVisor
SDKs: InstaVM: Python, TypeScript; Sandbox0: Go, Python, TypeScript

Full comparison

18 fields, at each provider's list price

InstaVMinstavm.io/pricing

Sandbox0sandbox0.ai/pricingsandbox0.ai

Pricing

vCPU, per hour: InstaVM: $0.0504; Sandbox0: Included
RAM, per GiB-hour: InstaVM: $0.0162; Sandbox0: $0.015
Storage: InstaVM: $0.0002 per GiB-hour after 10 free GiB; Sandbox0: Free
Free tier: InstaVM: $50 credit; Sandbox0: Not listed
Paid plan from: InstaVM: $100 / month; Sandbox0: Pay as you go
Billing: InstaVM: Per second; Sandbox0: Memory only

Limits

Max session: InstaVM: Not listed; Sandbox0: No limit
Idle stop: InstaVM: Not listed; Sandbox0: Not listed
Largest sandbox: InstaVM: Not listed; Sandbox0: Not listed
Concurrent sandboxes: InstaVM: Up to 100; Sandbox0: Up to 20

Platform

Isolation: InstaVM: Firecracker microVM; Sandbox0: gVisor
GPU: InstaVM: Not listed; Sandbox0: Not listed
Snapshots: InstaVM:; Sandbox0:
Pause and resume: InstaVM:; Sandbox0:

Developer

SDKs: InstaVM: Python, TypeScript; Sandbox0: Go, Python, TypeScript
Integrations: InstaVM: Not listed; Sandbox0: LangChain, OpenAI Agents SDK

Trust

License: InstaVM: Not listed; Sandbox0: Apache-2.0
BYOC: InstaVM: Not listed; Sandbox0: Not listed

Hourly cost

One sandbox running for one hour

Size

InstaVM

Sandbox0

1 vCPU · 2 GiB: InstaVM: $0.083; Sandbox0: $0.030
2 vCPU · 4 GiB: InstaVM: $0.166; Sandbox0: $0.060
4 vCPU · 8 GiB: InstaVM: $0.331; Sandbox0: $0.120

Compute only, at list rates.

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Which one fits

Based on the fields above

InstaVM fits when

You want each sandbox in its own microVM.
You need a desktop in the sandbox.
You need SOC 2 Type II.

Sandbox0 fits when

You want to pay only for usage, with no plan fee.
You want an open-source platform (Apache-2.0) that you can self-host.
You use LangChain or the OpenAI Agents SDK.
You want the lower list price: $0.060 against $0.166 an hour for 2 vCPU and 4 GiB.

More comparisons

See all comparisons

InstaVM

Sandbox0

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

InstaVM fits when

Sandbox0 fits when

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