The first AI feature I shipped on a flat plan lost money on the third user who discovered it. Not slowly. Immediately. He was running a script through it on a loop because the UI did not stop him from doing that, and his single account burned through more in API costs that week than the feature was supposed to make in a month. I shipped the fix on a Sunday and rewrote the pricing on a Tuesday, and I have not priced an AI feature on a flat plan since. That is the lesson the SaaS playbook had not caught up to yet in 2024 and that most teams have finally internalized by 2026. The economics of AI features are different from the economics of CRUD features. A heavy CRUD user costs you a few extra database rows. A heavy AI user costs you real money on every action they take. If your pricing does not reflect that, your power users are an unfunded liability and your accountant is the one who finds out.…