Nebius Sandboxes vs Shellbox

Shellbox costs $0.01 per vCPU-hour. Nebius Sandboxes runs microVMs. Shellbox runs Firecracker microVMs and has no session limit.

Updated Oct 23, 2026

Nebius Sandboxes

Sandboxes for AI agents that branch from any checkpoint.

Isolation: MicroVM
Free tier: Not listed
Max session: Not listed

Visit site Nebius Sandboxes profile

Shellbox

Linux microVMs for developers and AI agents, made and controlled over SSH.

Isolation: Firecracker microVM
Free tier: Not listed
Max session: No limit

Visit site Shellbox profile

What is different

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

Field

Nebius Sandboxes

Shellbox

Concurrent sandboxes: Nebius Sandboxes: Up to 50; Shellbox: Up to 16
Isolation: Nebius Sandboxes: MicroVM; Shellbox: Firecracker microVM
Integrations: Nebius Sandboxes: LangChain, MCP; Shellbox: Claude Code

Full comparison

18 fields, at each provider's list price

Nebius Sandboxescontree.dev

Shellboxshellbox.dev/#pricingshellbox.dev

Pricing

vCPU, per hour: Nebius Sandboxes: Not listed; Shellbox: $0.01
RAM, per GiB-hour: Nebius Sandboxes: Not listed; Shellbox: Included
Storage: Nebius Sandboxes: Not listed; Shellbox: A stopped box costs $0.50 per x1 slot per month
Free tier: Nebius Sandboxes: Not listed; Shellbox: Not listed
Paid plan from: Nebius Sandboxes: Not listed; Shellbox: Pay as you go
Billing: Nebius Sandboxes: Not listed; Shellbox: Bundled machine time

Limits

Max session: Nebius Sandboxes: Not listed; Shellbox: No limit
Idle stop: Nebius Sandboxes: Not listed; Shellbox: After 2 minutes
Largest sandbox: Nebius Sandboxes: Not listed; Shellbox: 16 vCPU · 32 GiB
Concurrent sandboxes: Nebius Sandboxes: Up to 50; Shellbox: Up to 16

Platform

Isolation: Nebius Sandboxes: MicroVM; Shellbox: Firecracker microVM
GPU: Nebius Sandboxes: Not listed; Shellbox: Not listed
Snapshots: Nebius Sandboxes:; Shellbox:
Pause and resume: Nebius Sandboxes: Not listed; Shellbox:

Developer

SDKs: Nebius Sandboxes: Python; Shellbox: Not listed
Integrations: Nebius Sandboxes: LangChain, MCP; Shellbox: Claude Code

Trust

License: Nebius Sandboxes: Not listed; Shellbox: Not listed
BYOC: Nebius Sandboxes: Not listed; Shellbox: Not listed

Hourly cost

One sandbox running for one hour

Size

Nebius Sandboxes

Shellbox

1 vCPU · 2 GiB: Nebius Sandboxes: Not listed; Shellbox: $0.010
2 vCPU · 4 GiB: Nebius Sandboxes: Not listed; Shellbox: $0.020
4 vCPU · 8 GiB: Nebius Sandboxes: Not listed; Shellbox: $0.040

Compute only, at list rates.

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Which one fits

Based on the fields above

Nebius Sandboxes fits when

You use LangChain or MCP.
You need SOC 2 Type II, ISO 27001 and GDPR.

Shellbox fits when

You use Claude Code.
You need pause and resume.

More comparisons

See all comparisons

Nebius Sandboxes

Shellbox

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Nebius Sandboxes fits when

Shellbox fits when

More comparisons

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