My payment method sat right there in Vercel billing while Claude insisted it was missing. Then Claude described how ChatGPT was reaching JEV, and admitted under pushback that it had guessed.
Two wrong answers
ChatGPT handles the same Vercel billing without a problem. That gap is why I cut down how much I use Claude.
On JEV, Claude described an API setup I never created. After I pushed back, Claude admitted it had guessed and had stated the guess as a fact.
- In Safari, open Vercel, then settings, then billing.
- My payment method is listed there with an edit option.
- Full JEV breakdown: the related video attached to this Short.



