Opener Lab
Compare OPERA
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How OPERA performs
Played first, OPERA removes about 95.3% of the possible-answer list on average and scores 5.08 bits of information. Its first-turn information ranks #1,925 out of 14,855 Wordle guesses tested. Roughly 19% of the time at least one letter lands in the right spot.
Tried against 1,858 past Wordle answers, OPERA left an average of 112 possible answers standing after the first guess. Its largest group in that replay came on July 7, 2026, when the answer was SLING and 229 candidates survived. It has been the daily answer once.
First-guess odds
| Outcome | OPERA |
|---|---|
| First-turn solve* | 0.04% |
| At least one green | 18.9% |
| Any green or yellow | 90.3% |
| Whole row gray | 9.7% |
| Worst case answers left | 229 |
*Treating every word in the possible-answer list as equally likely.