AI in Your Mobile App Without Internet: What Is Possible, What Is Not, and What It Costs in 2026

A 7B parameter AI model fits on any device with 6GB of RAM shipped in the last three years. That covers the iPhone 15 Pro, the Samsung S24+, and the Pixel 8 Pro — all of which are in your users' pockets right now. What that model can do without touching the internet is the question most enterprise buyers have never gotten a straight answer to. This guide answers it in plain language: what is working on-device today, what is not, what hardware it requires, and what it costs to add each capability