Islo Machines vs Runtime

Islo Machines costs $0.07 per vCPU-hour and Runtime costs $0.025 per vCPU-hour. Islo Machines runs microVMs. Runtime runs Firecracker microVMs and has no session limit.

Updated Oct 23, 2026

Islo Machines

Persistent microVM computers for coding agents.

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

Visit site Islo Machines profile

Runtime

Firecracker microVM sandboxes for AI agents, billed on the CPU that code uses.

Isolation: Firecracker microVM
Free tier: 100 hours of a 1 GB machine in the first 30 days
Max session: No limit

Visit site Runtime profile

What is different

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

Field

Islo Machines

Runtime

vCPU, per hour: Islo Machines: $0.07; Runtime: $0.025
RAM, per GiB-hour: Islo Machines: $0.04; Runtime: $0.0075
Storage: Islo Machines: $0.0007 per GiB-hour; Runtime: $0.000119 per GiB-hour after 10 free GiB
Free tier: Islo Machines: Starting credit, no card required; Runtime: 100 hours of a 1 GB machine in the first 30 days
Billing: Islo Machines: Per second; Runtime: Active CPU time only
Isolation: Islo Machines: MicroVM; Runtime: Firecracker microVM
SDKs: Islo Machines: Python, TypeScript, Go; Runtime: JavaScript / TypeScript, Python, Go, Ruby, Java
Integrations: Islo Machines: Claude Code; Runtime: OpenAI Agents SDK, Vercel AI SDK, Claude Agent SDK, LangChain, MCP, Claude Code

Full comparison

18 fields, at each provider's list price

Islo Machinesislo.dev/pricing

Runtimewithruntime.com/pricingwithruntime.com

Pricing

vCPU, per hour: Islo Machines: $0.07; Runtime: $0.025
RAM, per GiB-hour: Islo Machines: $0.04; Runtime: $0.0075
Storage: Islo Machines: $0.0007 per GiB-hour; Runtime: $0.000119 per GiB-hour after 10 free GiB
Free tier: Islo Machines: Starting credit, no card required; Runtime: 100 hours of a 1 GB machine in the first 30 days
Paid plan from: Islo Machines: Pay as you go; Runtime: Pay as you go
Billing: Islo Machines: Per second; Runtime: Active CPU time only

Limits

Max session: Islo Machines: Not listed; Runtime: No limit
Idle stop: Islo Machines: Not listed; Runtime: After 5 minutes
Largest sandbox: Islo Machines: Not listed; Runtime: 16 vCPU · 64 GiB
Concurrent sandboxes: Islo Machines: Not listed; Runtime: Up to 200

Platform

Isolation: Islo Machines: MicroVM; Runtime: Firecracker microVM
GPU: Islo Machines: Not listed; Runtime: No
Snapshots: Islo Machines:; Runtime:
Pause and resume: Islo Machines:; Runtime:

Developer

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

Trust

License: Islo Machines: Not listed; Runtime: Not listed
BYOC: Islo Machines: Agent computers run in your VPC.; Runtime: Not listed

Hourly cost

One sandbox running for one hour

Size

Islo Machines

Runtime

1 vCPU · 2 GiB: Islo Machines: $0.150; Runtime: $0.040
2 vCPU · 4 GiB: Islo Machines: $0.300; Runtime: $0.080
4 vCPU · 8 GiB: Islo Machines: $0.600; Runtime: $0.160

Compute only, at list rates.

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Which one fits

Based on the fields above

Islo Machines fits when

You need the sandboxes in your own cloud account.

Runtime fits when

You use the OpenAI Agents SDK, the Vercel AI SDK, the Claude Agent SDK, LangChain or MCP.
You want the lower list price: $0.080 against $0.300 an hour for 2 vCPU and 4 GiB.
You need a desktop in the sandbox.
Your code waits a lot: CPU is billed only while it is in use.

More comparisons

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Islo Machines

Runtime

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Islo Machines fits when

Runtime fits when

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