Celesto Cloud vs Zipbox

Celesto Cloud costs $0.015 per vCPU-hour and Zipbox costs $0.00685 per vCPU-hour. Celesto Cloud runs microVMs. Zipbox runs Firecracker microVMs and has no session limit.

Updated Oct 23, 2026

Celesto Cloud

Cloud computers for AI agents, each in a microVM.

Isolation: MicroVM
Free tier: $5 runtime credit, one time, 30 days
Max session: Not listed

Visit site Celesto Cloud profile

Zipbox

Long-lived Firecracker microVMs for AI agents, each with its own desktop.

Isolation: Firecracker microVM
Free tier: $25 credit after a one-time $5 top-up
Max session: No limit

Visit site Zipbox profile

What is different

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

Field

Celesto Cloud

Zipbox

vCPU, per hour: Celesto Cloud: $0.015; Zipbox: $0.00685
Free tier: Celesto Cloud: $5 runtime credit, one time, 30 days; Zipbox: $25 credit after a one-time $5 top-up
Largest sandbox: Celesto Cloud: 8 vCPU · 32 GiB; Zipbox: 6 vCPU · 16 GiB
Isolation: Celesto Cloud: MicroVM; Zipbox: Firecracker microVM
Snapshots: Celesto Cloud:; Zipbox: No
Pause and resume: Celesto Cloud:; Zipbox: No
SDKs: Celesto Cloud: Python, JavaScript / TypeScript; Zipbox: TypeScript, Python, Go, Rust
Integrations: Celesto Cloud: MCP, OpenAI Agents SDK, Claude Code; Zipbox: MCP, Claude Code, Claude Agent SDK, OpenAI Agents SDK, Vercel AI SDK, LangChain

Full comparison

18 fields, at each provider's list price

Celesto Cloudcelesto.ai/pricing

Zipboxzipbox.ai/pricing

Pricing

vCPU, per hour: Celesto Cloud: $0.015; Zipbox: $0.00685
RAM, per GiB-hour: Celesto Cloud: Included; Zipbox: Included
Storage: Celesto Cloud: Free; Zipbox: Free
Free tier: Celesto Cloud: $5 runtime credit, one time, 30 days; Zipbox: $25 credit after a one-time $5 top-up
Paid plan from: Celesto Cloud: Pay as you go; Zipbox: Pay as you go
Billing: Celesto Cloud: Bundled machine time; Zipbox: Bundled machine time

Limits

Max session: Celesto Cloud: Not listed; Zipbox: No limit
Idle stop: Celesto Cloud: Not listed; Zipbox: Not listed
Largest sandbox: Celesto Cloud: 8 vCPU · 32 GiB; Zipbox: 6 vCPU · 16 GiB
Concurrent sandboxes: Celesto Cloud: Up to 10; Zipbox: Not listed

Platform

Isolation: Celesto Cloud: MicroVM; Zipbox: Firecracker microVM
GPU: Celesto Cloud: Not listed; Zipbox: Not listed
Snapshots: Celesto Cloud:; Zipbox: No
Pause and resume: Celesto Cloud:; Zipbox: No

Developer

SDKs: Celesto Cloud: Python, JavaScript / TypeScript; Zipbox: TypeScript, Python, Go, Rust
Integrations: Celesto Cloud: MCP, OpenAI Agents SDK, Claude Code; Zipbox: MCP, Claude Code, Claude Agent SDK, OpenAI Agents SDK, Vercel AI SDK, LangChain

Trust

License: Celesto Cloud: Apache-2.0; Zipbox: Not listed
BYOC: Celesto Cloud: Not listed; Zipbox: Not listed

Hourly cost

One sandbox running for one hour

Size

Celesto Cloud

Zipbox

1 vCPU · 2 GiB: Celesto Cloud: $0.015; Zipbox: $0.007
2 vCPU · 4 GiB: Celesto Cloud: $0.030; Zipbox: $0.014
4 vCPU · 8 GiB: Celesto Cloud: $0.060; Zipbox: $0.027

Compute only, at list rates.

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Which one fits

Based on the fields above

Celesto Cloud fits when

You want an open-source platform (Apache-2.0).
You need snapshots.
You need pause and resume.
You need a sandbox larger than 6 vCPU · 16 GiB.

Zipbox fits when

You use the Claude Agent SDK, the Vercel AI SDK or LangChain.
You want the lower list price: $0.014 against $0.030 an hour for 2 vCPU and 4 GiB.
You want the larger free credit: $25 against $5.

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Celesto Cloud

Zipbox

What is different

Full comparison

Pricing

Limits

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Trust

Hourly cost

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