Settings
Tune the instrument.
Choose the model that thinks with you, shape the master prompt that governs its voice, and manage what stays on this device.
Reasoning model
Pick your thinking partner
Both run through the same diagnostic prompt. Gemini moves quickly; GPT-5 sits with the question longer.
Master prompt
The instructions behind every conversation
This is the operating manual the AI reads before it speaks. Edits live on this device and apply to new sessions immediately.
Default
Prompt is sealed
Enter the password to view or edit the master prompt. This prevents casual eyes from reading the operating manual.
Your data
Local, portable, yours
Everything you've written lives in this browser. Take it with you, or wipe it clean.
Everything stays in this browser. No accounts, no cloud, no analytics.