HopX vs Sandbox0

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

Updated Oct 14, 2026

HopX

Firecracker microVM sandboxes for AI agents.

Isolation: Firecracker microVM
Free tier: $200 credit
Max session: No limit

Visit site HopX 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

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

Field

HopX

Sandbox0

vCPU, per hour: HopX: $0.0504; Sandbox0: Included
RAM, per GiB-hour: HopX: $0.0162; Sandbox0: $0.015
Storage: HopX: $0.000108 per GiB-hour; Sandbox0: Free
Billing: HopX: Per second; Sandbox0: Memory only
Isolation: HopX: Firecracker microVM; Sandbox0: gVisor
SDKs: HopX: Python, JavaScript; Sandbox0: Go, Python, TypeScript
Integrations: HopX: MCP; Sandbox0: LangChain, OpenAI Agents SDK

Full comparison

18 fields, at each provider's list price

HopXhopx.ai/pricing

Sandbox0sandbox0.ai/pricingsandbox0.ai

Pricing

vCPU, per hour: HopX: $0.0504; Sandbox0: Included
RAM, per GiB-hour: HopX: $0.0162; Sandbox0: $0.015
Storage: HopX: $0.000108 per GiB-hour; Sandbox0: Free
Free tier: HopX: $200 credit; Sandbox0: Not listed
Paid plan from: HopX: Pay as you go; Sandbox0: Pay as you go
Billing: HopX: Per second; Sandbox0: Memory only

Limits

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

Platform

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

Developer

SDKs: HopX: Python, JavaScript; Sandbox0: Go, Python, TypeScript
Integrations: HopX: MCP; Sandbox0: LangChain, OpenAI Agents SDK

Trust

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

Hourly cost

One sandbox running for one hour

Size

HopX

Sandbox0

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

Compute only, at list rates.

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Which one fits

Based on the fields above

HopX fits when

You want each sandbox in its own microVM.
You use MCP.
You need a desktop in the sandbox.
You need SOC 2 and ISO 27001.

Sandbox0 fits when

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.
You need snapshots.

More comparisons

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HopX

Sandbox0

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

HopX fits when

Sandbox0 fits when

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