adverb
yet
YET/jet/
up to or still at a particular time
I check the mailbox again, but there is no mail yet.

Etymology
Old English get already meant “till now” or “thus far.” The modern sense preserves this temporal boundary, marking what has happened up to the time in question; its deeper origin is unknown.
In context
One is just that we expect models to get there soon, but they’re not there yet
More examples
- Are you ready to leave yet?
- She hasn't finished her homework yet.
- We don't need to leave just yet.
Forms
yet
Similar words
- still
- Emphasizes that a state continues, often beyond an expected time.
- so far
- Describes progress up to now without necessarily expecting a change.