In terms of raw token cost, I've seen a couple providers at (all prices in terms of Mtok) $0.95 input/$0.15 cache input/$5 output vs $3 input/$15 output for sonnet.
Task prices of courses will be more interesting - a dumber model may use more tokens to get to the same goal.
Task prices of courses will be more interesting - a dumber model may use more tokens to get to the same goal.