Opener Lab
SONAR vs TRACE
See which word leaves you with the easier game.
These game-length figures come from the previous complete opener benchmark against its 2,354-answer snapshot, ranked by average guesses among games solved within six. Its answer snapshot and continuation policy are separate from today's solver recommendations.
The same solver played from both openers. TRACE has the lower average in games solved within six: 3.53 guesses to 3.58 for SONAR.
Looking only at the opening row, TRACE has higher entropy (5.82 bits versus 5.52). That describes first-guess separation, not the full solve on its own.
| Metric | SONAR | TRACE |
|---|---|---|
| Elimination | 96.2% | 96.8% |
| Information | 5.52 bits | 5.82 bits |
| Avg remaining | 89 words | 76 words |
| Avg turns | 3.58 | 3.53 |
| Win rate | 100.0% | 99.9% |
| Tier | A | S |
What to expect from the first guess
| Outcome | SONAR | TRACE |
|---|---|---|
| First-turn solve* | 0.04% | 0.04% |
| At least one green | 42.8% | 42.1% |
| Any green or yellow | 88.9% | 89.2% |
| Whole row gray | 11.1% | 10.8% |
| Worst case answers left | 263 | 254 |
*Treating every word in the possible-answer list as equally likely.
Both openers come back completely gray at almost the same rate, so the difference between them lies in how much their hits actually tell you.
How these two openers fit together
SONAR and TRACE share 2 letters (A, R). Played as a pair they cover 8 distinct letters, which still gives the second word room to do useful work.
Played back to back, SONAR then TRACE earns 8.59 bits of information in total, 2.77 bits more than the better word manages alone.
Past Wordle answers
- SONAR: Has not been a past Wordle answer in this site's history.
- TRACE: Answer to the puzzle on December 15, 2021.