Opener Lab

Compare HIBAS

Pick a word to compare against.

HIBAS C
92.1%
of words eliminated

How HIBAS performs

Played first, HIBAS removes about 92.1% of the possible-answer list on average and scores 4.50 bits of information. It is not on the possible-answer list, but it can still be useful because of the feedback groups it creates.

Tried against 1,859 past Wordle answers, HIBAS left an average of 186 possible answers standing after the first guess. Its largest group in that replay came on July 8, 2026, when the answer was DEMON and 431 candidates survived.

First-guess odds

OutcomeHIBAS
First-turn solve*0%
At least one green21.4%
Any green or yellow81.7%
Whole row gray18.3%
Worst case answers left431

*Treating every word in the possible-answer list as equally likely.