Opener Lab

Compare IODID

Pick a word to compare against.

IODID F
79.1%
of words eliminated

How IODID performs

Played first, IODID removes about 79.1% of the possible-answer list on average and scores 3.22 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, IODID left an average of 484 possible answers standing after the first guess. Its largest group in that replay came on July 19, 2026, when the answer was CHURN and 947 candidates survived.

First-guess odds

OutcomeIODID
First-turn solve*0%
At least one green25.4%
Any green or yellow59.9%
Whole row gray40.1%
Worst case answers left947

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