Phonebox vs Superserve

Superserve costs $0.0504 per vCPU-hour. Phonebox limits a session to 3 hours. Superserve runs Firecracker microVMs and has no session limit.

Updated

Phonebox

Isolation
Not listed
Free tier
$2 starter credit, one time, no card
Max session
3 hours

Superserve

Isolation
Firecracker microVM
Free tier
$5 to start, plus $95 when you add billing
Max session
No limit

What is different

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

Phonebox
Superserve
Free tier
Phonebox: $2 starter credit, one time, no card
Superserve: $5 to start, plus $95 when you add billing
Billing
Phonebox: Bundled machine time
Superserve: Per second
Max session
Phonebox: 3 hours
Superserve: No limit
Concurrent sandboxes
Phonebox: Up to 5
Superserve: Up to 1,000
SDKs
Phonebox: TypeScript
Superserve: Python, TypeScript
Integrations
Phonebox: MCP
Superserve: Claude Agent SDK, LangChain, OpenAI Agents SDK, MCP, Claude Code

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Phonebox: Not listed
Superserve: $0.0504
RAM, per GiB-hour
Phonebox: Not listed
Superserve: $0.0162
Storage
Phonebox: Not listed
Superserve: Not listed
Free tier
Phonebox: $2 starter credit, one time, no card
Superserve: $5 to start, plus $95 when you add billing
Paid plan from
Phonebox: Pay as you go
Superserve: Pay as you go
Billing
Phonebox: Bundled machine time
Superserve: Per second

Limits

Max session
Phonebox: 3 hours
Superserve: No limit
Idle stop
Phonebox: After 5 minutes
Superserve: Not listed
Largest sandbox
Phonebox: Not listed
Superserve: 2 vCPU · 2 GiB
Concurrent sandboxes
Phonebox: Up to 5
Superserve: Up to 1,000

Platform

Isolation
Phonebox: Not listed
Superserve: Firecracker microVM
GPU
Phonebox: Not listed
Superserve: Not listed
Snapshots
Phonebox: Not listed
Superserve:
Pause and resume
Phonebox:
Superserve:

Developer

SDKs
Phonebox: TypeScript
Superserve: Python, TypeScript
Integrations
Phonebox: MCP
Superserve: Claude Agent SDK, LangChain, OpenAI Agents SDK, MCP, Claude Code

Trust

License
Phonebox: Not listed
Superserve: Not listed
BYOC
Phonebox: Not listed
Superserve: In your AWS, GCP, or Azure account. Enterprise plan.

Hourly cost

One sandbox running for one hour

Phonebox
Superserve
1 vCPU · 2 GiB
Phonebox: Not listed
Superserve: $0.083
2 vCPU · 4 GiB
Phonebox: Not listed
Superserve: $0.166
4 vCPU · 8 GiB
Phonebox: Not listed
Superserve: $0.331

Compute only, at list rates.

Open the calculator

Which one fits

Based on the fields above

Superserve fits when

  • A session must run longer than 3 hours.
  • You use the Claude Agent SDK, LangChain, the OpenAI Agents SDK or Claude Code.
  • You want the larger free credit: $5 against $2.
  • You need snapshots.

More comparisons

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