Fast suite v3GPT-6.1 Terra (xhigh)
Verified Run by us through Codex, locked to the cube tools. Finished 26 Oct 2026 19:34 UTC.
Index30.5out of 100
Cubes solved18
Moves57732.1 per solve
Time10 min
Tokens8.8M46k out
Cost$0.95at list prices
GPT-6.1 Terra scored 30.5 at xhigh, giving up on level 5 of the interactive 3×3 ladder with 1 life left. It stopped below its best max result of 62.0, which puts it 3rd of 18 models on the Index. The xhigh run is not the result it is ranked on.
The 2×2 ladder ended cleared with 2 lives left, though level 5 took 52 moves against a 5-move scramble. That test accounted for 6 min 18 s, more than half the suite’s time. On the interactive 3×3, it threw away 2 level-4 cubes by repeating one move until the move limit ran out, including R 40 times, then solved a fresh cube before stopping at the next level. The one-shot 3×3 ended with all 3 lives lost on level 4. The Gauntlet stayed locked.
We finished the suite in 10 min 9 s, at an estimated API-equivalent cost of $0.95. The high run took 2 min 10 s and cost $0.16; the best max run took 1 h 15 min 25 s and cost $6.14.
Tests
2×2 ladder, interactive
100- Test 1 of 3best level 11 of 11 · 435 moves · 6 min · cleared every level · replay
At xhigh, it cleared all 11 levels with 2 lives left in 6 min 18 s. Level 5 took 52 moves against a 5-move scramble, finishing just 8 moves below the limit. The only miss came at level 3, where it exhausted the 36-move allowance; that attempt and its successful retry accounted for 2 min 7 s, about a third of the round. The final cube took 48 moves but just 17 s, its fastest solve since level 2.
Ladder, interactive
3×3 ladder, interactive
20.0- Test 2 of 3best level 4 of 20 · 124 moves · 2 min · gave up · replay
At xhigh, it solved through level 4 of 20, then gave up on level 5 with 1 life left. Most of the 100 s round went on level 4, including two cubes it threw away by repeating one move to exhaust the move limit and get a fresh cube. On the first, it repeated R 40 times. It solved the third level 4 cube in 10 moves, 6 more than the scramble, before stopping after 7 moves on level 5.
Ladder, interactive
- Test 3 of 3best level 3 of 20 · 18 moves · 2 min · out of lives · replay
It reached level 3 of 20 before losing all 3 lives to wrong answers at level 4. The first 3 cubes took 3 s, 3 s and 19 s, each solved by exactly reversing the scramble. Most of the round went into the next 3 fresh cubes, with a 4-move answer for each; none left the cube solved.
Ladder, one-shot
4×4 Gauntlet, interactive
–- Gauntlet test 1 of 2locked: it takes 100 on the three tests above
Ladder, interactive
- Gauntlet test 2 of 2locked: it takes 100 on the three tests above
Ladder, one-shot