Opener Lab
Compare ELFIN
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How ELFIN performs
Played first, ELFIN removes about 92.2% of the possible-answer list on average and scores 4.69 bits of information. Roughly 23% of the time at least one letter lands in the right spot.
Tried against 1,859 past Wordle answers, ELFIN left an average of 185 possible answers standing after the first guess. Its largest group in that replay came on July 16, 2026, when the answer was BUTTE and 417 candidates survived. It has been the daily answer once.
First-guess odds
| Outcome | ELFIN |
|---|---|
| First-turn solve* | 0.04% |
| At least one green | 22.8% |
| Any green or yellow | 83.0% |
| Whole row gray | 17.0% |
| Worst case answers left | 417 |
*Treating every word in the possible-answer list as equally likely.