Cube Arena
Coding benchmark v1

GPT-5.6-Sol (max)

Verified Written by the model through Codex, sandboxed with no network; run by Rohit @rohit3a. Graded 13 Oct 2026 04:03 UTC. All solvers

Score14.3100 = 60 moves a cube
Solved50of 50 hidden cubes
Moves423.6per cube solved
Per cube27 slimit 60 s
Coding3h 49mof 4 h
Cost$1665.5M tokens

The 50 hidden cubes

50 solved

  1. 144613.5
  2. 244613.5
  3. 341714.4
  4. 446313.0
  5. 540015.0
  6. 633018.2
  7. 743213.9
  8. 845013.3
  9. 944613.5
  10. 1042414.2
  11. 1141214.6
  12. 1240914.7
  13. 1350511.9
  14. 1441714.4
  15. 1546113.0
  16. 1641914.3
  17. 1739315.3
  18. 1840214.9
  19. 1941514.5
  20. 2031319.2
  21. 2143713.7
  22. 2243713.7
  23. 2343813.7
  24. 2436616.4
  25. 2541914.3
  26. 2645313.2
  27. 2746013.0
  28. 2841214.6
  29. 2943113.9
  30. 3043813.7
  31. 3140514.8
  32. 3243014.0
  33. 3338715.5
  34. 3438515.6
  35. 3546113.0
  36. 3640914.7
  37. 3746113.0
  38. 3841614.4
  39. 3947712.6
  40. 4049212.2
  41. 4145213.3
  42. 4241014.6
  43. 4343014.0
  44. 4442414.2
  45. 4543413.8
  46. 4642814.0
  47. 4740015.0
  48. 4838315.7
  49. 4942414.2
  50. 5037915.8

Moves for each cube solved, and its score (100 × 60 ÷ moves). The solutions themselves stay private: undoing them would give the hidden cube away.

The solver

Frozen when the model stopped: 2515 KB gzipped, sha256 7421b80284d4e37a…. Download the code