Nebius Sandboxes vs Phonebox

Nebius Sandboxes runs microVMs. Phonebox limits a session to 3 hours.

Updated Oct 15, 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

Phonebox

Cloud Android phones that AI agents control through their screens.

Isolation: Not listed
Free tier: $2 starter credit, one time, no card
Max session: 3 hours

Visit site Phonebox profile

What is different

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

Field

Nebius Sandboxes

Phonebox

SDKs: Nebius Sandboxes: Python; Phonebox: TypeScript
Integrations: Nebius Sandboxes: LangChain, MCP; Phonebox: MCP

Full comparison

18 fields, at each provider's list price

Nebius Sandboxescontree.dev

Phoneboxphonebox.dev/pricingphonebox.dev

Pricing

vCPU, per hour: Nebius Sandboxes: Not listed; Phonebox: Not listed
RAM, per GiB-hour: Nebius Sandboxes: Not listed; Phonebox: Not listed
Storage: Nebius Sandboxes: Not listed; Phonebox: Not listed
Free tier: Nebius Sandboxes: Not listed; Phonebox: $2 starter credit, one time, no card
Paid plan from: Nebius Sandboxes: Not listed; Phonebox: Pay as you go
Billing: Nebius Sandboxes: Not listed; Phonebox: Bundled machine time

Limits

Max session: Nebius Sandboxes: Not listed; Phonebox: 3 hours
Idle stop: Nebius Sandboxes: Not listed; Phonebox: After 5 minutes
Largest sandbox: Nebius Sandboxes: Not listed; Phonebox: Not listed
Concurrent sandboxes: Nebius Sandboxes: Not listed; Phonebox: Up to 5

Platform

Isolation: Nebius Sandboxes: MicroVM; Phonebox: Not listed
GPU: Nebius Sandboxes: Not listed; Phonebox: Not listed
Snapshots: Nebius Sandboxes:; Phonebox: Not listed
Pause and resume: Nebius Sandboxes: Not listed; Phonebox:

Developer

SDKs: Nebius Sandboxes: Python; Phonebox: TypeScript
Integrations: Nebius Sandboxes: LangChain, MCP; Phonebox: MCP

Trust

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

Hourly cost

One sandbox running for one hour

Size

Nebius Sandboxes

Phonebox

1 vCPU · 2 GiB: Nebius Sandboxes: Not listed; Phonebox: Not listed
2 vCPU · 4 GiB: Nebius Sandboxes: Not listed; Phonebox: Not listed
4 vCPU · 8 GiB: Nebius Sandboxes: Not listed; Phonebox: Not listed

Compute only, at list rates.

Open the calculator

Which one fits

Based on the fields above

Nebius Sandboxes fits when

You use LangChain.
You need snapshots.

Phonebox fits when

You need pause and resume.

More comparisons

See all comparisons

Nebius Sandboxes

Phonebox

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Nebius Sandboxes fits when

Phonebox fits when

More comparisons

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