Might be related to this announcement from Tibo on Sunday:

> We've made some improvements that improve usage on the long tail for power users of Astra when logged in with your ChatGPT account.

> No change in quality and a pure win that on the long tail can result in up to 3-4X less usage being drawn from the subscription.

https://x.com/thsottiaux/status/2096717905614524491 (https://xcancel.com/thsottiaux/status/2096717905614524491)