Runloop vs Zipbox

Runloop costs $0.108 per vCPU-hour and Zipbox costs $0.00685 per vCPU-hour. Runloop runs microVMs. Zipbox runs Firecracker microVMs and has no session limit.

Updated Oct 23, 2026

Runloop

Devboxes built for coding agents.

Isolation: MicroVM
Free tier: $50 credit
Max session: Not listed

Visit site Runloop 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

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

Field

Runloop

Zipbox

vCPU, per hour: Runloop: $0.108; Zipbox: $0.00685
RAM, per GiB-hour: Runloop: $0.0252; Zipbox: Included
Storage: Runloop: $0.00034236 per GiB-hour; Zipbox: Free
Free tier: Runloop: $50 credit; Zipbox: $25 credit after a one-time $5 top-up
Billing: Runloop: Per second; Zipbox: Bundled machine time
Largest sandbox: Runloop: 16 vCPU · 64 GiB; Zipbox: 6 vCPU · 16 GiB
Isolation: Runloop: MicroVM; Zipbox: Firecracker microVM
Snapshots: Runloop:; Zipbox: No
Pause and resume: Runloop:; Zipbox: No
SDKs: Runloop: Python, TypeScript; Zipbox: TypeScript, Python, Go, Rust
Integrations: Runloop: OpenAI Agents SDK, MCP, 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

Runlooprunloop.ai/pricing

Zipboxzipbox.ai/pricing

Pricing

vCPU, per hour: Runloop: $0.108; Zipbox: $0.00685
RAM, per GiB-hour: Runloop: $0.0252; Zipbox: Included
Storage: Runloop: $0.00034236 per GiB-hour; Zipbox: Free
Free tier: Runloop: $50 credit; Zipbox: $25 credit after a one-time $5 top-up
Paid plan from: Runloop: Pay as you go; Zipbox: Pay as you go
Billing: Runloop: Per second; Zipbox: Bundled machine time

Limits

Max session: Runloop: Not listed; Zipbox: No limit
Idle stop: Runloop: Not listed; Zipbox: Not listed
Largest sandbox: Runloop: 16 vCPU · 64 GiB; Zipbox: 6 vCPU · 16 GiB
Concurrent sandboxes: Runloop: Not listed; Zipbox: Not listed

Platform

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

Developer

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

Trust

License: Runloop: Not listed; Zipbox: Not listed
BYOC: Runloop: Deploy to VPC, Enterprise plan; Zipbox: Not listed

Hourly cost

One sandbox running for one hour

Size

Runloop

Zipbox

1 vCPU · 2 GiB: Runloop: $0.158; Zipbox: $0.007
2 vCPU · 4 GiB: Runloop: $0.317; Zipbox: $0.014
4 vCPU · 8 GiB: Runloop: $0.634; Zipbox: $0.027

Compute only, at list rates.

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Which one fits

Based on the fields above

Runloop fits when

You want the larger free credit: $50 against $25.
You need snapshots.
You need pause and resume.
You need the sandboxes in your own cloud account.

Zipbox fits when

You use the Claude Agent SDK, the Vercel AI SDK or LangChain.
You want the lower list price: $0.014 against $0.317 an hour for 2 vCPU and 4 GiB.

More comparisons

See all comparisons

Runloop

Zipbox

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Runloop fits when

Zipbox fits when

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