Mosaic Sandbox vs Nebius Sandboxes

Mosaic Sandbox costs $0.025 per vCPU-hour. Mosaic Sandbox runs Firecracker microVMs. Nebius Sandboxes runs microVMs.

Updated Oct 14, 2026

Mosaic Sandbox

Linux microVM sandboxes for coding agents.

Isolation: Firecracker microVM
Free tier: Not listed
Max session: Not listed

Visit site Mosaic Sandbox profile

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

What is different

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

Field

Mosaic Sandbox

Nebius Sandboxes

Isolation: Mosaic Sandbox: Firecracker microVM; Nebius Sandboxes: MicroVM
SDKs: Mosaic Sandbox: Python, TypeScript, Go; Nebius Sandboxes: Python

Full comparison

18 fields, at each provider's list price

Mosaic Sandboxsandbox.mosaicos.com/pricingsandbox.mosaicos.com

Nebius Sandboxescontree.dev

Pricing

vCPU, per hour: Mosaic Sandbox: $0.025; Nebius Sandboxes: Not listed
RAM, per GiB-hour: Mosaic Sandbox: Included; Nebius Sandboxes: Not listed
Storage: Mosaic Sandbox: Free; Nebius Sandboxes: Not listed
Free tier: Mosaic Sandbox: Not listed; Nebius Sandboxes: Not listed
Paid plan from: Mosaic Sandbox: Pay as you go; Nebius Sandboxes: Not listed
Billing: Mosaic Sandbox: Bundled machine time; Nebius Sandboxes: Not listed

Limits

Max session: Mosaic Sandbox: Not listed; Nebius Sandboxes: Not listed
Idle stop: Mosaic Sandbox: Not listed; Nebius Sandboxes: Not listed
Largest sandbox: Mosaic Sandbox: 16 vCPU · 32 GiB; Nebius Sandboxes: Not listed
Concurrent sandboxes: Mosaic Sandbox: Up to 200; Nebius Sandboxes: Not listed

Platform

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

Developer

SDKs: Mosaic Sandbox: Python, TypeScript, Go; Nebius Sandboxes: Python
Integrations: Mosaic Sandbox: LangChain, MCP; Nebius Sandboxes: LangChain, MCP

Trust

License: Mosaic Sandbox: Not listed; Nebius Sandboxes: Not listed
BYOC: Mosaic Sandbox: Not listed; Nebius Sandboxes: Not listed

Hourly cost

One sandbox running for one hour

Size

Mosaic Sandbox

Nebius Sandboxes

1 vCPU · 2 GiB: Mosaic Sandbox: $0.025; Nebius Sandboxes: Not listed
2 vCPU · 4 GiB: Mosaic Sandbox: $0.050; Nebius Sandboxes: Not listed
4 vCPU · 8 GiB: Mosaic Sandbox: $0.100; Nebius Sandboxes: Not listed

Compute only, at list rates.

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Which one fits

Based on the fields above

Mosaic Sandbox fits when

You need pause and resume.

More comparisons

See all comparisons

Mosaic Sandbox

Nebius Sandboxes

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Mosaic Sandbox fits when

More comparisons

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