Freestyle VMs vs Koyeb Sandboxes

Freestyle VMs costs $0.04032 per vCPU-hour and Koyeb Sandboxes costs $0.0144 per vCPU-hour. Freestyle VMs runs full VMs. Koyeb Sandboxes runs microVMs.

Updated Oct 14, 2026

Freestyle VMs

Full Linux virtual machines for AI agents.

Isolation: Full VM
Free tier: Free plan, $0 forever
Max session: Not listed

Visit site Freestyle VMs profile

Koyeb Sandboxes

Sandboxes for AI agents, run as Koyeb Instances.

Isolation: MicroVM
Free tier: Not listed
Max session: Not listed

Visit site Koyeb Sandboxes profile

What is different

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

Field

Freestyle VMs

Koyeb Sandboxes

vCPU, per hour: Freestyle VMs: $0.04032; Koyeb Sandboxes: $0.0144
RAM, per GiB-hour: Freestyle VMs: $0.0129; Koyeb Sandboxes: Included
Billing: Freestyle VMs: Per second; Koyeb Sandboxes: Bundled machine time
Isolation: Freestyle VMs: Full VM; Koyeb Sandboxes: MicroVM
SDKs: Freestyle VMs: JavaScript; Koyeb Sandboxes: Python, JavaScript

Full comparison

18 fields, at each provider's list price

Freestyle VMsfreestyle.sh/pricingfreestyle.sh

Koyeb Sandboxeskoyeb.com/docs/reference/instanceskoyeb.com

Pricing

vCPU, per hour: Freestyle VMs: $0.04032; Koyeb Sandboxes: $0.0144
RAM, per GiB-hour: Freestyle VMs: $0.0129; Koyeb Sandboxes: Included
Storage: Freestyle VMs: $0.000086 per GiB-hour; Koyeb Sandboxes: Not listed
Free tier: Freestyle VMs: Free plan, $0 forever; Koyeb Sandboxes: Not listed
Paid plan from: Freestyle VMs: $50 / month; Koyeb Sandboxes: Not listed
Billing: Freestyle VMs: Per second; Koyeb Sandboxes: Bundled machine time

Limits

Max session: Freestyle VMs: Not listed; Koyeb Sandboxes: Not listed
Idle stop: Freestyle VMs: Not listed; Koyeb Sandboxes: Not listed
Largest sandbox: Freestyle VMs: 32 vCPU · 64 GiB; Koyeb Sandboxes: Not listed
Concurrent sandboxes: Freestyle VMs: Up to 400; Koyeb Sandboxes: Not listed

Platform

Isolation: Freestyle VMs: Full VM; Koyeb Sandboxes: MicroVM
GPU: Freestyle VMs: Not listed; Koyeb Sandboxes: Not listed
Snapshots: Freestyle VMs:; Koyeb Sandboxes: Not listed
Pause and resume: Freestyle VMs:; Koyeb Sandboxes: Not listed

Developer

SDKs: Freestyle VMs: JavaScript; Koyeb Sandboxes: Python, JavaScript
Integrations: Freestyle VMs: OpenAI Agents SDK, Claude Agent SDK, Claude Code; Koyeb Sandboxes: Not listed

Trust

License: Freestyle VMs: Not listed; Koyeb Sandboxes: Not listed
BYOC: Freestyle VMs: Not listed; Koyeb Sandboxes: Not listed

Hourly cost

One sandbox running for one hour

Size

Freestyle VMs

Koyeb Sandboxes

1 vCPU · 2 GiB: Freestyle VMs: $0.066; Koyeb Sandboxes: $0.014
2 vCPU · 4 GiB: Freestyle VMs: $0.132; Koyeb Sandboxes: $0.029
4 vCPU · 8 GiB: Freestyle VMs: $0.264; Koyeb Sandboxes: $0.058

Compute only, at list rates.

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Which one fits

Based on the fields above

Freestyle VMs fits when

You want each sandbox to be a full VM.
You use the OpenAI Agents SDK, the Claude Agent SDK or Claude Code.
You need snapshots.
You need pause and resume.

Koyeb Sandboxes fits when

You want each sandbox in its own microVM.
You want the lower list price: $0.029 against $0.132 an hour for 2 vCPU and 4 GiB.

More comparisons

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Freestyle VMs

Koyeb Sandboxes

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Freestyle VMs fits when

Koyeb Sandboxes fits when

More comparisons

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