what type of flaw is this, from the chart?

A response from my emailing the support desk:

The Sage AI limit is based on the length and complexity of your conversations rather than a fixed number of chats, which is why we aren't able to give a specific number. Longer and more detailed conversations use up more of your monthly allowance, while shorter, focused ones use less.

Here's how the tiers compare:

• Core — standard monthly usage

• Live — double the Core usage

• Coach — the highest usage available

There isn't a way to purchase AI credits separately at this time. The only way to increase your limit is to upgrade your plan.

We're also working on adding a warning once you hit 50% of your usage so you can plan ahead, though we don't have an ETA on that just yet. Your usage also resets at the start of each calendar month.

A description of how many chats or some other metric of the limit would be very helpful, I am considering upgrading my plan because I rely heavily on the tool but I need to know it will last me until my next billing cycle.