Pricing
Start free. Upgrade when your world demands more. All plans include access to the core Aether Engine.
Free
Start your first world. No credit card required.
Standard
For dedicated worldbuilders who need more room.
Premium
Advanced tools for deep worldbuilders and GMs.
Founder's
For those who want to shape the Engine itself.
What is a "persistent world"?
A world that continues to exist and evolve even when you are not logged in. NPCs remember your actions, political events unfold on a schedule, and seasons change in real time.
Can I cancel anytime?
Yes. Cancel at any time from your settings. Your subscription remains active until the end of the billing period.
What happens to my worlds if I downgrade?
Your worlds are preserved but go into a paused state if you exceed your tier limit. They resume when you upgrade again.
Is there a free trial for paid plans?
The Free tier gives you full access to the core engine. Paid features can be tested during our beta period.
What AI model powers the Engine?
The Aether Engine uses Anthropic Claude for narration and world management, combined with our proprietary multi-agent world state system.