[treis]

It's not literally 0 but for most casual users it is. Programmers are heavier users and the ones that have 10 agents going wild are even more so. In that case the cost is above 0 but economies of scale means the effect is the same.

[aftbit]

The marginal cost for _users_ (on a token plan) is $0 but not for the AI company supplying that token plan.