Agent Sandbox vs Shardflux

Shardflux costs $0.04 per vCPU-hour. Agent Sandbox runs containers. Shardflux runs Firecracker microVMs and offers GPUs.

Updated

Agent Sandbox

Isolation
Container
Free tier
$10 credit with a Google sign-in
Max session
Not listed

Shardflux

Isolation
Firecracker microVM
Free tier
30-day Pro trial, no card needed
Max session
Not listed

What is different

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

Agent Sandbox
Shardflux
Storage
Agent Sandbox: $0.0005/MB for output files
Shardflux: Retained storage is a monthly allowance per plan. No hourly storage rate is published.
Free tier
Agent Sandbox: $10 credit with a Google sign-in
Shardflux: 30-day Pro trial, no card needed
Paid plan from
Agent Sandbox: Pay as you go
Shardflux: $9 / month
Billing
Agent Sandbox: Per second
Shardflux: Active CPU time only
Isolation
Agent Sandbox: Container
Shardflux: Firecracker microVM
SDKs
Agent Sandbox: Python
Shardflux: TypeScript, Python
Integrations
Agent Sandbox: Claude Code
Shardflux: Claude Code, MCP

Full comparison

18 fields, at each provider's list price

Pricing

vCPU, per hour
Agent Sandbox: Not listed
Shardflux: $0.04
RAM, per GiB-hour
Agent Sandbox: Not listed
Shardflux: $0.015
Storage
Agent Sandbox: $0.0005/MB for output files
Shardflux: Retained storage is a monthly allowance per plan. No hourly storage rate is published.
Free tier
Agent Sandbox: $10 credit with a Google sign-in
Shardflux: 30-day Pro trial, no card needed
Paid plan from
Agent Sandbox: Pay as you go
Shardflux: $9 / month
Billing
Agent Sandbox: Per second
Shardflux: Active CPU time only

Limits

Max session
Agent Sandbox: Not listed
Shardflux: Not listed
Idle stop
Agent Sandbox: After 5 minutes
Shardflux: Not listed
Largest sandbox
Agent Sandbox: Not listed
Shardflux: 32 vCPU · 64 GiB
Concurrent sandboxes
Agent Sandbox: Not listed
Shardflux: Up to 200

Platform

Isolation
Agent Sandbox: Container
Shardflux: Firecracker microVM
GPU
Agent Sandbox: Not listed
Shardflux:
Snapshots
Agent Sandbox: Not listed
Shardflux:
Pause and resume
Agent Sandbox: Not listed
Shardflux:

Developer

SDKs
Agent Sandbox: Python
Shardflux: TypeScript, Python
Integrations
Agent Sandbox: Claude Code
Shardflux: Claude Code, MCP

Trust

License
Agent Sandbox: Not listed
Shardflux: Not listed
BYOC
Agent Sandbox: Not listed
Shardflux: Not listed

Hourly cost

One sandbox running for one hour

Agent Sandbox
Shardflux
1 vCPU · 2 GiB
Agent Sandbox: Not listed
Shardflux: $0.070
2 vCPU · 4 GiB
Agent Sandbox: Not listed
Shardflux: $0.140
4 vCPU · 8 GiB
Agent Sandbox: Not listed
Shardflux: $0.280

Compute only, at list rates.

Open the calculator

Which one fits

Based on the fields above

Agent Sandbox fits when

  • You want to pay only for usage, with no plan fee.

Shardflux fits when

  • You need GPUs.
  • You want each sandbox in its own microVM.
  • You use MCP.
  • You need snapshots.

More comparisons

See all comparisons

Related