Bunny Sandbox vs Runtime

Bunny Sandbox costs $0.02 per vCPU-hour and Runtime costs $0.025 per vCPU-hour. Bunny Sandbox runs gVisor and has no session limit. Runtime runs Firecracker microVMs and has no session limit.

Updated

Bunny Sandbox

Isolation
gVisor
Free tier
Not listed
Max session
No limit

Runtime

Isolation
Firecracker microVM
Free tier
100 hours of a 1 GB machine in the first 30 days
Max session
No limit

What is different

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

Bunny Sandbox
Runtime
vCPU, per hour
Bunny Sandbox: $0.02
Runtime: $0.025
RAM, per GiB-hour
Bunny Sandbox: $0.005
Runtime: $0.0075
Storage
Bunny Sandbox: $0.10 per GB per month on the allocated 10 GB
Runtime: $0.000119 per GiB-hour after 10 free GiB
Largest sandbox
Bunny Sandbox: 8 vCPU · 32 GiB
Runtime: 16 vCPU · 64 GiB
Isolation
Bunny Sandbox: gVisor
Runtime: Firecracker microVM
SDKs
Bunny Sandbox: JavaScript / TypeScript
Runtime: JavaScript / TypeScript, Python, Go, Ruby, Java
Integrations
Bunny Sandbox: Claude Code
Runtime: OpenAI Agents SDK, Vercel AI SDK, Claude Agent SDK, LangChain, MCP, Claude Code

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Bunny Sandbox: $0.02
Runtime: $0.025
RAM, per GiB-hour
Bunny Sandbox: $0.005
Runtime: $0.0075
Storage
Bunny Sandbox: $0.10 per GB per month on the allocated 10 GB
Runtime: $0.000119 per GiB-hour after 10 free GiB
Free tier
Bunny Sandbox: Not listed
Runtime: 100 hours of a 1 GB machine in the first 30 days
Paid plan from
Bunny Sandbox: Pay as you go
Runtime: Pay as you go
Billing
Bunny Sandbox: Active CPU time only
Runtime: Active CPU time only

Limits

Max session
Bunny Sandbox: No limit
Runtime: No limit
Idle stop
Bunny Sandbox: Not listed
Runtime: After 5 minutes
Largest sandbox
Bunny Sandbox: 8 vCPU · 32 GiB
Runtime: 16 vCPU · 64 GiB
Concurrent sandboxes
Bunny Sandbox: Not listed
Runtime: Up to 200

Platform

Isolation
Bunny Sandbox: gVisor
Runtime: Firecracker microVM
GPU
Bunny Sandbox: Not listed
Runtime: No
Snapshots
Bunny Sandbox: Not listed
Runtime:
Pause and resume
Bunny Sandbox: Not listed
Runtime:

Developer

SDKs
Bunny Sandbox: JavaScript / TypeScript
Runtime: JavaScript / TypeScript, Python, Go, Ruby, Java
Integrations
Bunny Sandbox: Claude Code
Runtime: OpenAI Agents SDK, Vercel AI SDK, Claude Agent SDK, LangChain, MCP, Claude Code

Trust

License
Bunny Sandbox: Not listed
Runtime: Not listed
BYOC
Bunny Sandbox: Not listed
Runtime: Not listed

Hourly cost

One sandbox running for one hour

Bunny Sandbox
Runtime
1 vCPU · 2 GiB
Bunny Sandbox: $0.030
Runtime: $0.040
2 vCPU · 4 GiB
Bunny Sandbox: $0.060
Runtime: $0.080
4 vCPU · 8 GiB
Bunny Sandbox: $0.120
Runtime: $0.160

Compute only, at list rates.

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Which one fits

Based on the fields above

Bunny Sandbox fits when

  • You want the lower list price: $0.060 against $0.080 an hour for 2 vCPU and 4 GiB.
  • You need ISO 27001 and GDPR.

Runtime fits when

  • You want each sandbox in its own microVM.
  • You use the OpenAI Agents SDK, the Vercel AI SDK, the Claude Agent SDK, LangChain or MCP.
  • You need snapshots.
  • You need pause and resume.

More comparisons

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