Opener Lab

Compare ZOOID

Pick a word to compare against.

ZOOID F
80.5%
of words eliminated

How ZOOID performs

Played first, ZOOID removes about 80.5% of the possible-answer list on average and scores 3.40 bits of information. Its first-turn information ranks #14,088 out of 14,855 Wordle guesses tested. It is not on the possible-answer list, but it can still be useful because of the feedback groups it creates.

Tried against 1,858 past Wordle answers, ZOOID left an average of 451 possible answers standing after the first guess. Its largest group in that replay came on July 19, 2026, when the answer was CHURN and 930 candidates survived.

First-guess odds

OutcomeZOOID
First-turn solve*0%
At least one green30.2%
Any green or yellow60.6%
Whole row gray39.4%
Worst case answers left930

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