Your business brain · owned · in-house · always learning
Point it at your business.
It learns everything.
Cortex is a private AI brain you own — built on free, open-source models, running on your hardware, connected to every corner of your business. It answers anything, acts like an agent, and reaches out to frontier models only when it needs to. Your data never has to leave.
● Live demo · built by Rusty AI · sample business
Pointed at:
✉️ Email ✓
📄 Docs & Drive ✓
🧾 Invoices ✓
👥 CRM ✓
📦 Inventory ✓
📅 Calendar ✓
🌐 Website ✓
🎧 Calls & support ✓
+ Slack, QuickBooks…
● learning · indexed 12 new emails● ingested 3 invoices● updated 4 supplier prices● learned 2 support resolutions● linked 1 new customer
● learning · indexed 12 new emails● ingested 3 invoices● updated 4 supplier prices● learned 2 support resolutions● linked 1 new customer
Your dataprivate · yours
→
In-house modelopen-source · $0/query
⤴ hard?
Frontier modelon demand
Ask the brain
92% handled in-houseAsk me anything about the business — I’ve read it all. Try a question above.
🔒 your data stays private
You own it
Not a subscription. The brain — weights, data, and all — belongs to your business.
Open-source core
Built on free, open models. No per-seat fees, no vendor lock-in.
Private by default
Runs on your hardware or private cloud. Data only leaves if you allow it.
Always learning
Every email, invoice, and job makes it smarter — automatically.