InstaVM vs Runtime

InstaVM costs $0.0504 per vCPU-hour and Runtime costs $0.025 per vCPU-hour. InstaVM runs Firecracker microVMs. Runtime runs Firecracker microVMs and has no session limit.

Updated Oct 23, 2026

InstaVM

Hardware-isolated microVMs for AI agent code.

Isolation: Firecracker microVM
Free tier: $50 credit
Max session: Not listed

Visit site InstaVM 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

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

Field

InstaVM

Runtime

vCPU, per hour: InstaVM: $0.0504; Runtime: $0.025
RAM, per GiB-hour: InstaVM: $0.0162; Runtime: $0.0075
Storage: InstaVM: $0.0002 per GiB-hour after 10 free GiB; Runtime: $0.000119 per GiB-hour after 10 free GiB
Free tier: InstaVM: $50 credit; Runtime: 100 hours of a 1 GB machine in the first 30 days
Paid plan from: InstaVM: $100 / month; Runtime: Pay as you go
Billing: InstaVM: Per second; Runtime: Active CPU time only
Concurrent sandboxes: InstaVM: Up to 100; Runtime: Up to 200
SDKs: InstaVM: Python, TypeScript; Runtime: JavaScript / TypeScript, Python, Go, Ruby, Java
Integrations: InstaVM: Claude Code, OpenAI Agents SDK; Runtime: OpenAI Agents SDK, Vercel AI SDK, Claude Agent SDK, LangChain, MCP, Claude Code

Full comparison

18 fields, at each provider's list price

InstaVMinstavm.io/pricing

Runtimewithruntime.com/pricingwithruntime.com

Pricing

vCPU, per hour: InstaVM: $0.0504; Runtime: $0.025
RAM, per GiB-hour: InstaVM: $0.0162; Runtime: $0.0075
Storage: InstaVM: $0.0002 per GiB-hour after 10 free GiB; Runtime: $0.000119 per GiB-hour after 10 free GiB
Free tier: InstaVM: $50 credit; Runtime: 100 hours of a 1 GB machine in the first 30 days
Paid plan from: InstaVM: $100 / month; Runtime: Pay as you go
Billing: InstaVM: Per second; Runtime: Active CPU time only

Limits

Max session: InstaVM: Not listed; Runtime: No limit
Idle stop: InstaVM: Not listed; Runtime: After 5 minutes
Largest sandbox: InstaVM: Not listed; Runtime: 16 vCPU · 64 GiB
Concurrent sandboxes: InstaVM: Up to 100; Runtime: Up to 200

Platform

Isolation: InstaVM: Firecracker microVM; Runtime: Firecracker microVM
GPU: InstaVM: Not listed; Runtime: No
Snapshots: InstaVM:; Runtime:
Pause and resume: InstaVM:; Runtime:

Developer

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

Trust

License: InstaVM: Not listed; Runtime: Not listed
BYOC: InstaVM: Not listed; Runtime: Not listed

Hourly cost

One sandbox running for one hour

Size

InstaVM

Runtime

1 vCPU · 2 GiB: InstaVM: $0.083; Runtime: $0.040
2 vCPU · 4 GiB: InstaVM: $0.166; Runtime: $0.080
4 vCPU · 8 GiB: InstaVM: $0.331; Runtime: $0.160

Compute only, at list rates.

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Which one fits

Based on the fields above

InstaVM fits when

You need SOC 2 Type II.

Runtime fits when

You want to pay only for usage, with no plan fee.
You use the Vercel AI SDK, the Claude Agent SDK, LangChain or MCP.
You want the lower list price: $0.080 against $0.166 an hour for 2 vCPU and 4 GiB.
Your code waits a lot: CPU is billed only while it is in use.

More comparisons

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InstaVM

Runtime

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

InstaVM fits when

Runtime fits when

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