Agent Sandbox vs Mosaic Sandbox

Mosaic Sandbox costs $0.025 per vCPU-hour. Agent Sandbox runs containers. Mosaic Sandbox runs Firecracker microVMs.

Updated Oct 14, 2026

Agent Sandbox

Hosted API that runs Python and shell code for AI agents.

Isolation: Container
Free tier: $10 credit with a Google sign-in
Max session: Not listed

Visit site Agent Sandbox profile

Mosaic Sandbox

Linux microVM sandboxes for coding agents.

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

Visit site Mosaic Sandbox profile

What is different

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

Field

Agent Sandbox

Mosaic Sandbox

Storage: Agent Sandbox: $0.0005 per MB for output files; Mosaic Sandbox: Free
Billing: Agent Sandbox: Per second; Mosaic Sandbox: Bundled machine time
Isolation: Agent Sandbox: Container; Mosaic Sandbox: Firecracker microVM
SDKs: Agent Sandbox: Python; Mosaic Sandbox: Python, TypeScript, Go

Full comparison

18 fields, at each provider's list price

Agent Sandboxagentsandbox.co

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

Pricing

vCPU, per hour: Agent Sandbox: Not listed; Mosaic Sandbox: $0.025
RAM, per GiB-hour: Agent Sandbox: Not listed; Mosaic Sandbox: Included
Storage: Agent Sandbox: $0.0005 per MB for output files; Mosaic Sandbox: Free
Free tier: Agent Sandbox: $10 credit with a Google sign-in; Mosaic Sandbox: Not listed
Paid plan from: Agent Sandbox: Pay as you go; Mosaic Sandbox: Pay as you go
Billing: Agent Sandbox: Per second; Mosaic Sandbox: Bundled machine time

Limits

Max session: Agent Sandbox: Not listed; Mosaic Sandbox: Not listed
Idle stop: Agent Sandbox: After 5 minutes; Mosaic Sandbox: Not listed
Largest sandbox: Agent Sandbox: Not listed; Mosaic Sandbox: 16 vCPU · 32 GiB
Concurrent sandboxes: Agent Sandbox: Not listed; Mosaic Sandbox: Up to 200

Platform

Isolation: Agent Sandbox: Container; Mosaic Sandbox: Firecracker microVM
GPU: Agent Sandbox: Not listed; Mosaic Sandbox: Not listed
Snapshots: Agent Sandbox: Not listed; Mosaic Sandbox:
Pause and resume: Agent Sandbox: Not listed; Mosaic Sandbox:

Developer

SDKs: Agent Sandbox: Python; Mosaic Sandbox: Python, TypeScript, Go
Integrations: Agent Sandbox: Not listed; Mosaic Sandbox: LangChain, MCP

Trust

License: Agent Sandbox: Not listed; Mosaic Sandbox: Not listed
BYOC: Agent Sandbox: Not listed; Mosaic Sandbox: Not listed

Hourly cost

One sandbox running for one hour

Size

Agent Sandbox

Mosaic Sandbox

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

Compute only, at list rates.

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Which one fits

Based on the fields above

Mosaic Sandbox fits when

You want each sandbox in its own microVM.
You use LangChain or MCP.
You need snapshots.
You need pause and resume.

More comparisons

See all comparisons

Agent Sandbox

Mosaic Sandbox

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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