Account
Manage your subscription, your token, or sign out.
Not signed in
Paste the subscriber token from your welcome email, or view pricing and subscribe if you don't have one yet.
Subscription
Cancel, update payment method, change billing email, or view invoices via Stripe's hosted customer portal.
Subscriber token
The same token unlocks every paid surface (wargamer, chat, kriegsspiel, matrix). Stored only in this browser. If you lose access on another device, paste it again from your welcome email.
Surfaces unlocked
Monthly turn caps vary by plan. See hammerstein.ai/#pricing for the current tier breakdown.
Privacy
By default your conversation content is never used for improvement work — manual review, prompt tuning, or similar. Toggle this on if you'd like to contribute.
Delete account data
Permanently erases your Hammerstein-stored data: conversations, campaign memory, RPG campaigns, spend counters, and account preferences. This cannot be undone.
This does not cancel Stripe billing. Cancel first via Manage subscription above if you want charges to stop.
Type DELETE to confirm: