Opener Lab

Compare NOSIR

Pick a word to compare against.

NOSIR B
95.2%
of words eliminated

How NOSIR performs

Played first, NOSIR removes about 95.2% of the possible-answer list on average and scores 5.18 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, NOSIR left an average of 114 possible answers standing after the first guess. Its largest group in that replay came on July 17, 2026, when the answer was LEGAL and 320 candidates survived.

First-guess odds

OutcomeNOSIR
First-turn solve*0%
At least one green29.2%
Any green or yellow86.4%
Whole row gray13.6%
Worst case answers left320

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