The model matters—but the harness decides whether your AI can actually compound: your files, your tools, your skills, your memory, and your permissions.
Choose the harness first. Then make the best models compete to work for you.
Browser chat rents you intelligence. A real AI harness connects the model to your files, tools, skills, and memory—without trapping your system inside one provider.
The model is replaceable. Your memory, tools, and operating system shouldn’t be.
A harness is the layer that connects models to your files, tools, skills, memory, and permissions. Models can change. Your operating system stays yours.
That’s AI sovereignty.