Opener Lab
Compare REIST
Pick a word to compare against.
How REIST performs
Played first, REIST removes about 96.4% of the possible-answer list on average and scores 5.67 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, REIST left an average of 86 possible answers standing after the first guess. Its largest group in that replay came on July 12, 2026, when the answer was CLACK and 255 candidates survived.
First-guess odds
| Outcome | REIST |
|---|---|
| First-turn solve* | 0% |
| At least one green | 36.7% |
| Any green or yellow | 89.2% |
| Whole row gray | 10.8% |
| Worst case answers left | 255 |
*Treating every word in the possible-answer list as equally likely.