E2B vs Zipbox

E2B costs $0.0504 per vCPU-hour and Zipbox costs $0.00685 per vCPU-hour. E2B runs Firecracker microVMs and limits a session to 24 hours. Zipbox runs Firecracker microVMs and has no session limit.

Updated

E2B

Isolation
Firecracker microVM
Free tier
$100 credit, one time
Max session
24 hours

Zipbox

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

What is different

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

E2B
Zipbox
vCPU, per hour
E2B: $0.0504
Zipbox: $0.00685
RAM, per GiB-hour
E2B: $0.0162
Zipbox: Included
Free tier
E2B: $100 credit, one time
Zipbox: $25 credit after a one-time $5 top-up
Paid plan from
E2B: $150 / month
Zipbox: Pay as you go
Billing
E2B: Per second
Zipbox: Bundled machine time
Max session
E2B: 24 hours
Zipbox: No limit
Largest sandbox
E2B: 8 vCPU · 8 GiB
Zipbox: 6 vCPU · 16 GiB
Snapshots
E2B:
Zipbox: No
Pause and resume
E2B:
Zipbox: No
SDKs
E2B: Python, JavaScript / TypeScript
Zipbox: TypeScript, Python, Go, Rust
Integrations
E2B: LangChain, OpenAI Agents SDK, Vercel AI 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

Pricing

vCPU, per hour
E2B: $0.0504
Zipbox: $0.00685
RAM, per GiB-hour
E2B: $0.0162
Zipbox: Included
Storage
E2B: Free
Zipbox: Free
Free tier
E2B: $100 credit, one time
Zipbox: $25 credit after a one-time $5 top-up
Paid plan from
E2B: $150 / month
Zipbox: Pay as you go
Billing
E2B: Per second
Zipbox: Bundled machine time

Limits

Max session
E2B: 24 hours
Zipbox: No limit
Idle stop
E2B: Not listed
Zipbox: Not listed
Largest sandbox
E2B: 8 vCPU · 8 GiB
Zipbox: 6 vCPU · 16 GiB
Concurrent sandboxes
E2B: Up to 100
Zipbox: Not listed

Platform

Isolation
E2B: Firecracker microVM
Zipbox: Firecracker microVM
GPU
E2B: No
Zipbox: Not listed
Snapshots
E2B:
Zipbox: No
Pause and resume
E2B:
Zipbox: No

Developer

SDKs
E2B: Python, JavaScript / TypeScript
Zipbox: TypeScript, Python, Go, Rust
Integrations
E2B: LangChain, OpenAI Agents SDK, Vercel AI SDK, MCP, Claude Code
Zipbox: MCP, Claude Code, Claude Agent SDK, OpenAI Agents SDK, Vercel AI SDK, LangChain

Trust

License
E2B: Apache-2.0
Zipbox: Not listed
BYOC
E2B: Enterprise plan
Zipbox: Not listed

Hourly cost

One sandbox running for one hour

E2B
Zipbox
1 vCPU · 2 GiB
E2B: $0.083
Zipbox: $0.007
2 vCPU · 4 GiB
E2B: $0.166
Zipbox: $0.014
4 vCPU · 8 GiB
E2B: $0.331
Zipbox: $0.027

Compute only, at list rates.

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Which one fits

Based on the fields above

E2B fits when

  • You want an open-source platform (Apache-2.0) that you can self-host.
  • You want the larger free credit: $100 against $25.
  • You need snapshots.
  • You need pause and resume.

Zipbox fits when

  • A session must run longer than 24 hours.
  • You want to pay only for usage, with no plan fee.
  • You use the Claude Agent SDK.
  • You want the lower list price: $0.014 against $0.166 an hour for 2 vCPU and 4 GiB.

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