Maritime vs Runtime

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

Updated Oct 23, 2026

Maritime

Hosting for persistent AI agents and Linux desktops, each in its own micro-VM.

Isolation: Firecracker microVM
Free tier: 3 agents, forever
Max session: Not listed

Visit site Maritime 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

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

Field

Maritime

Runtime

Storage: Maritime: $2 per extra 5 GB per machine per month on Starter, $0.75 on Dedicated; Runtime: $0.000119 per GiB-hour after 10 free GiB
Free tier: Maritime: 3 agents, forever; Runtime: 100 hours of a 1 GB machine in the first 30 days
Paid plan from: Maritime: $20 / month; Runtime: Pay as you go
Concurrent sandboxes: Maritime: Up to 500; Runtime: Up to 200
SDKs: Maritime: TypeScript, Python; Runtime: JavaScript / TypeScript, Python, Go, Ruby, Java
Integrations: Maritime: MCP, Claude Code, Claude Agent SDK, OpenAI Agents SDK, Vercel AI 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

Maritimemaritime.sh/pricingmaritime.sh

Runtimewithruntime.com/pricingwithruntime.com

Pricing

vCPU, per hour: Maritime: Not listed; Runtime: $0.025
RAM, per GiB-hour: Maritime: Not listed; Runtime: $0.0075
Storage: Maritime: $2 per extra 5 GB per machine per month on Starter, $0.75 on Dedicated; Runtime: $0.000119 per GiB-hour after 10 free GiB
Free tier: Maritime: 3 agents, forever; Runtime: 100 hours of a 1 GB machine in the first 30 days
Paid plan from: Maritime: $20 / month; Runtime: Pay as you go
Billing: Maritime: Not listed; Runtime: Active CPU time only

Limits

Max session: Maritime: Not listed; Runtime: No limit
Idle stop: Maritime: After 5 minutes; Runtime: After 5 minutes
Largest sandbox: Maritime: Not listed; Runtime: 16 vCPU · 64 GiB
Concurrent sandboxes: Maritime: Up to 500; Runtime: Up to 200

Platform

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

Developer

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

Trust

License: Maritime: Not listed; Runtime: Not listed
BYOC: Maritime: Not listed; Runtime: Not listed

Hourly cost

One sandbox running for one hour

Size

Maritime

Runtime

1 vCPU · 2 GiB: Maritime: Not listed; Runtime: $0.040
2 vCPU · 4 GiB: Maritime: Not listed; Runtime: $0.080
4 vCPU · 8 GiB: Maritime: Not listed; Runtime: $0.160

Compute only, at list rates.

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Which one fits

Based on the fields above

Runtime fits when

You want to pay only for usage, with no plan fee.
You use LangChain.
You need snapshots.
Your code waits a lot: CPU is billed only while it is in use.

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Maritime

Runtime

What is different

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Hourly cost

Which one fits

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