Opener Lab
Compare LUMEN
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How LUMEN performs
Played first, LUMEN removes about 93.3% of the possible-answer list on average and scores 4.81 bits of information. Roughly 28% of the time at least one letter lands in the right spot.
Tried against 1,859 past Wordle answers, LUMEN left an average of 157 possible answers standing after the first guess. Its largest group in that replay came on July 18, 2026, when the answer was BOOTH and 391 candidates survived.
First-guess odds
| Outcome | LUMEN |
|---|---|
| First-turn solve* | 0.04% |
| At least one green | 28.5% |
| Any green or yellow | 83.4% |
| Whole row gray | 16.6% |
| Worst case answers left | 391 |
*Treating every word in the possible-answer list as equally likely.