Maritime vs Shardflux

Shardflux costs $0.04 per vCPU-hour. Maritime runs Firecracker microVMs. Shardflux runs Firecracker microVMs and offers GPUs.

Updated Oct 15, 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

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

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

Field

Maritime

Shardflux

Storage: Maritime: $2 per extra 5 GB per machine per month on Starter, $0.75 on Dedicated; Shardflux: Retained storage is a monthly allowance per plan. No hourly storage rate is published.
Free tier: Maritime: 3 agents, forever; Shardflux: 30-day Pro trial, no card needed
Paid plan from: Maritime: $20 / month; Shardflux: $9 / month
Concurrent sandboxes: Maritime: Up to 500; Shardflux: Up to 200
Integrations: Maritime: MCP, Claude Code, Claude Agent SDK, OpenAI Agents SDK, Vercel AI SDK; Shardflux: Claude Code, MCP

Full comparison

18 fields, at each provider's list price

Maritimemaritime.sh/pricingmaritime.sh

Shardfluxshardflux.dev/#pricingshardflux.dev

Pricing

vCPU, per hour: Maritime: Not listed; Shardflux: $0.04
RAM, per GiB-hour: Maritime: Not listed; Shardflux: $0.015
Storage: Maritime: $2 per extra 5 GB per machine per month on Starter, $0.75 on Dedicated; Shardflux: Retained storage is a monthly allowance per plan. No hourly storage rate is published.
Free tier: Maritime: 3 agents, forever; Shardflux: 30-day Pro trial, no card needed
Paid plan from: Maritime: $20 / month; Shardflux: $9 / month
Billing: Maritime: Not listed; Shardflux: Active CPU time only

Limits

Max session: Maritime: Not listed; Shardflux: Not listed
Idle stop: Maritime: After 5 minutes; Shardflux: Not listed
Largest sandbox: Maritime: Not listed; Shardflux: 32 vCPU · 64 GiB
Concurrent sandboxes: Maritime: Up to 500; Shardflux: Up to 200

Platform

Isolation: Maritime: Firecracker microVM; Shardflux: Firecracker microVM
GPU: Maritime: Not listed; Shardflux:
Snapshots: Maritime: Not listed; Shardflux:
Pause and resume: Maritime:; Shardflux:

Developer

SDKs: Maritime: TypeScript, Python; Shardflux: TypeScript, Python
Integrations: Maritime: MCP, Claude Code, Claude Agent SDK, OpenAI Agents SDK, Vercel AI SDK; Shardflux: Claude Code, MCP

Trust

License: Maritime: Not listed; Shardflux: Not listed
BYOC: Maritime: Not listed; Shardflux: Not listed

Hourly cost

One sandbox running for one hour

Size

Maritime

Shardflux

1 vCPU · 2 GiB: Maritime: Not listed; Shardflux: $0.070
2 vCPU · 4 GiB: Maritime: Not listed; Shardflux: $0.140
4 vCPU · 8 GiB: Maritime: Not listed; Shardflux: $0.280

Compute only, at list rates.

Open the calculator

Which one fits

Based on the fields above

Maritime fits when

You use the Claude Agent SDK, the OpenAI Agents SDK or the Vercel AI SDK.

Shardflux fits when

You need GPUs.
You need snapshots.
Your code waits a lot: CPU is billed only while it is in use.

More comparisons

See all comparisons

Maritime

Shardflux

What is different

Full comparison

Pricing

Limits

Platform

Developer

Trust

Hourly cost

Which one fits

Maritime fits when

Shardflux fits when

More comparisons

Related

Compare

Pricing

Browse