Islo Sandboxes vs Shardflux

Islo Sandboxes costs $0.07 per vCPU-hour and Shardflux costs $0.04 per vCPU-hour. Islo Sandboxes runs microVMs. Shardflux runs Firecracker microVMs and offers GPUs.

Updated Oct 15, 2026

Islo Sandboxes

Persistent microVM computers for coding agents.

Isolation: MicroVM
Free tier: Starting credit, no card required
Max session: Not listed

Visit site Islo Sandboxes profile

Shardflux

Serverless VMs for cloud agents that park when idle and keep their state.

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

Visit site Shardflux profile

What is different

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

Field

Islo Sandboxes

Shardflux

vCPU, per hour: Islo Sandboxes: $0.07; Shardflux: $0.04
RAM, per GiB-hour: Islo Sandboxes: $0.04; Shardflux: $0.015
Storage: Islo Sandboxes: $0.0007 per GiB-hour; Shardflux: Retained storage is a monthly allowance per plan. No hourly storage rate is published.
Free tier: Islo Sandboxes: Starting credit, no card required; Shardflux: 30-day Pro trial, no card needed
Paid plan from: Islo Sandboxes: Pay as you go; Shardflux: $9 / month
Billing: Islo Sandboxes: Per second; Shardflux: Active CPU time only
Isolation: Islo Sandboxes: MicroVM; Shardflux: Firecracker microVM
SDKs: Islo Sandboxes: Python, TypeScript, Go; Shardflux: TypeScript, Python
Integrations: Islo Sandboxes: Claude Code; Shardflux: Claude Code, MCP

Full comparison

18 fields, at each provider's list price

Islo Sandboxesislo.dev/pricing

Shardfluxshardflux.dev/#pricingshardflux.dev

Pricing

vCPU, per hour: Islo Sandboxes: $0.07; Shardflux: $0.04
RAM, per GiB-hour: Islo Sandboxes: $0.04; Shardflux: $0.015
Storage: Islo Sandboxes: $0.0007 per GiB-hour; Shardflux: Retained storage is a monthly allowance per plan. No hourly storage rate is published.
Free tier: Islo Sandboxes: Starting credit, no card required; Shardflux: 30-day Pro trial, no card needed
Paid plan from: Islo Sandboxes: Pay as you go; Shardflux: $9 / month
Billing: Islo Sandboxes: Per second; Shardflux: Active CPU time only

Limits

Max session: Islo Sandboxes: Not listed; Shardflux: Not listed
Idle stop: Islo Sandboxes: Not listed; Shardflux: Not listed
Largest sandbox: Islo Sandboxes: Not listed; Shardflux: 32 vCPU · 64 GiB
Concurrent sandboxes: Islo Sandboxes: Not listed; Shardflux: Up to 200

Platform

Isolation: Islo Sandboxes: MicroVM; Shardflux: Firecracker microVM
GPU: Islo Sandboxes: Not listed; Shardflux:
Snapshots: Islo Sandboxes:; Shardflux:
Pause and resume: Islo Sandboxes:; Shardflux:

Developer

SDKs: Islo Sandboxes: Python, TypeScript, Go; Shardflux: TypeScript, Python
Integrations: Islo Sandboxes: Claude Code; Shardflux: Claude Code, MCP

Trust

License: Islo Sandboxes: Not listed; Shardflux: Not listed
BYOC: Islo Sandboxes: Agent computers run in your VPC.; Shardflux: Not listed

Hourly cost

One sandbox running for one hour

Size

Islo Sandboxes

Shardflux

1 vCPU · 2 GiB: Islo Sandboxes: $0.150; Shardflux: $0.070
2 vCPU · 4 GiB: Islo Sandboxes: $0.300; Shardflux: $0.140
4 vCPU · 8 GiB: Islo Sandboxes: $0.600; Shardflux: $0.280

Compute only, at list rates.

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Which one fits

Based on the fields above

Islo Sandboxes fits when

You want to pay only for usage, with no plan fee.
You need the sandboxes in your own cloud account.

Shardflux fits when

You need GPUs.
You use MCP.
You want the lower list price: $0.140 against $0.300 an hour for 2 vCPU and 4 GiB.
You need a desktop in the sandbox.

More comparisons

See all comparisons

Islo Sandboxes

Shardflux

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Islo Sandboxes fits when

Shardflux fits when

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