yay! way less confusing now:
thinking, thinking mini, thinking pro, light thinking, standard thinking, extended thinking, max thinking
The new ChatGPT web app version has an updated (hidden) thinking effort picker - Max thinking (200), Extended thinking (48), Standard thinking (18), Light thinking (5)
And a few other related experiments, including showing models in the plus menu, showing the selected model in composer, fully collapsed tool menu, and more