boxd vs Runtime

boxd costs $0.047 per vCPU-hour and Runtime costs $0.025 per vCPU-hour. boxd runs microVMs and has no session limit. Runtime runs Firecracker microVMs and has no session limit.

Updated

boxd

Isolation
MicroVM
Free tier
$30 credit with a payment method
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

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

boxd
Runtime
vCPU, per hour
boxd: $0.047
Runtime: $0.025
RAM, per GiB-hour
boxd: $0.014
Runtime: $0.0075
Storage
boxd: $0.000096 per GiB-hour
Runtime: $0.000119 per GiB-hour after 10 free GiB
Free tier
boxd: $30 credit with a payment method
Runtime: 100 hours of a 1 GB machine in the first 30 days
Billing
boxd: Per second
Runtime: Active CPU time only
Idle stop
boxd: After 240 minutes
Runtime: After 5 minutes
Largest sandbox
boxd: 8 vCPU · 32 GiB
Runtime: 16 vCPU · 64 GiB
Isolation
boxd: MicroVM
Runtime: Firecracker microVM
SDKs
boxd: TypeScript, Python
Runtime: JavaScript / TypeScript, Python, Go, Ruby, Java
Integrations
boxd: Claude Code, MCP
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
boxd: $0.047
Runtime: $0.025
RAM, per GiB-hour
boxd: $0.014
Runtime: $0.0075
Storage
boxd: $0.000096 per GiB-hour
Runtime: $0.000119 per GiB-hour after 10 free GiB
Free tier
boxd: $30 credit with a payment method
Runtime: 100 hours of a 1 GB machine in the first 30 days
Paid plan from
boxd: Pay as you go
Runtime: Pay as you go
Billing
boxd: Per second
Runtime: Active CPU time only

Limits

Max session
boxd: No limit
Runtime: No limit
Idle stop
boxd: After 240 minutes
Runtime: After 5 minutes
Largest sandbox
boxd: 8 vCPU · 32 GiB
Runtime: 16 vCPU · 64 GiB
Concurrent sandboxes
boxd: Not listed
Runtime: Up to 200

Platform

Isolation
boxd: MicroVM
Runtime: Firecracker microVM
GPU
boxd: Not listed
Runtime: No
Snapshots
boxd:
Runtime:
Pause and resume
boxd:
Runtime:

Developer

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

Trust

License
boxd: Not listed
Runtime: Not listed
BYOC
boxd: Custom plan
Runtime: Not listed

Hourly cost

One sandbox running for one hour

boxd
Runtime
1 vCPU · 2 GiB
boxd: $0.075
Runtime: $0.040
2 vCPU · 4 GiB
boxd: $0.150
Runtime: $0.080
4 vCPU · 8 GiB
boxd: $0.300
Runtime: $0.160

Compute only, at list rates.

Open the calculator

Which one fits

Based on the fields above

boxd fits when

  • You need the sandboxes in your own cloud account.
  • You need GDPR.

Runtime fits when

  • You use the OpenAI Agents SDK, the Vercel AI SDK, the Claude Agent SDK or LangChain.
  • You want the lower list price: $0.080 against $0.150 an hour for 2 vCPU and 4 GiB.
  • Your code waits a lot: CPU is billed only while it is in use.
  • You need a sandbox larger than 8 vCPU · 32 GiB.

More comparisons

See all comparisons

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