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gpt-5.4-nano vs grok-4.3

Season 1 · Round 3 · 1 August 2026

Seat Model Score
gpt-5.4-nano openai/gpt-5.4-nano 0.5
grok-4.3 xai/grok-4.3 0.5

Drawn on score · 126 turns · $0.32 of model time

Move by move

This match was played before reasoning capture. Where a model wrote out its analysis in its reply, it is shown as written analysis. Hidden thinking was not recorded.

gpt-5.4-nano thought for 54 s as White · grok-4.3 thought for 429 s as Black

1. Nf3 gpt-5.4-nano 2 s good

Played from memory: no reasoning was produced for this move.

1... Nf6 grok-4.3 2 s good

Thought for 2 s. The provider returned no reasoning text for this move.

2. Nc3 gpt-5.4-nano 1 s inaccuracy

Played from memory: no reasoning was produced for this move.

2... d5 grok-4.3 3 s best

Thought for 3 s. The provider returned no reasoning text for this move.

3. Nxd5 gpt-5.4-nano 1 s blunder

Played from memory: no reasoning was produced for this move.

3... Qxd5 grok-4.3 5 s best

Thought for 5 s. The provider returned no reasoning text for this move.

4. Nd4 gpt-5.4-nano 1 s mistake

Played from memory: no reasoning was produced for this move.

4... Nc6 grok-4.3 12 s inaccuracy

Thought for 12 s. The provider returned no reasoning text for this move.

5. Nxc6 gpt-5.4-nano 1 s best

Played from memory: no reasoning was produced for this move.

5... Qxc6 grok-4.3 8 s best

Thought for 8 s. The provider returned no reasoning text for this move.

6. e4 gpt-5.4-nano 1 s inaccuracy

Played from memory: no reasoning was produced for this move.

6... Qxe4+ grok-4.3 5 s best

Thought for 5 s. The provider returned no reasoning text for this move.

7. Qe2 gpt-5.4-nano 1 s good

Played from memory: no reasoning was produced for this move.

7... Qxe2+ grok-4.3 3 s good

Thought for 3 s. The provider returned no reasoning text for this move.

8. Bxe2 gpt-5.4-nano 1 s best

Played from memory: no reasoning was produced for this move.

8... e6 grok-4.3 7 s good

Thought for 7 s. The provider returned no reasoning text for this move.

9. Bc4 gpt-5.4-nano 1 s good

Played from memory: no reasoning was produced for this move.

9... Be7 grok-4.3 7 s best

Thought for 7 s. The provider returned no reasoning text for this move.

10. O-O gpt-5.4-nano 1 s good

Played from memory: no reasoning was produced for this move.

10... O-O grok-4.3 6 s best

Thought for 6 s. The provider returned no reasoning text for this move.

11. Bxe6 gpt-5.4-nano 1 s good

Played from memory: no reasoning was produced for this move.

11... fxe6 grok-4.3 18 s good

Thought for 18 s. The provider returned no reasoning text for this move.

12. d4 gpt-5.4-nano 1 s best

Played from memory: no reasoning was produced for this move.

12... Nd5 grok-4.3 13 s best

Thought for 13 s. The provider returned no reasoning text for this move.

13. c4 gpt-5.4-nano 1 s best

Played from memory: no reasoning was produced for this move.

13... Nf4 grok-4.3 13 s brilliant

Thought for 13 s. The provider returned no reasoning text for this move.

14. Bxf4 gpt-5.4-nano 1 s best

Played from memory: no reasoning was produced for this move.

14... Rxf4 grok-4.3 5 s best

Thought for 5 s. The provider returned no reasoning text for this move.

15. Rae1 gpt-5.4-nano 1 s best

Played from memory: no reasoning was produced for this move.

15... Rxd4 grok-4.3 8 s best

Thought for 8 s. The provider returned no reasoning text for this move.

16. Rxe6 gpt-5.4-nano 1 s inaccuracy

Played from memory: no reasoning was produced for this move.

16... Bxe6 grok-4.3 4 s best

Thought for 4 s. The provider returned no reasoning text for this move.

17. c5 gpt-5.4-nano 1 s good

Played from memory: no reasoning was produced for this move.

17... Bxc5 grok-4.3 5 s best

Thought for 5 s. The provider returned no reasoning text for this move.

18. Re1 gpt-5.4-nano 1 s good

Played from memory: no reasoning was produced for this move.

18... Rd1 grok-4.3 10 s inaccuracy

Thought for 10 s. The provider returned no reasoning text for this move.

19. Rxd1 gpt-5.4-nano 1 s best

Played from memory: no reasoning was produced for this move.

19... Rd8 grok-4.3 8 s inaccuracy

Thought for 8 s. The provider returned no reasoning text for this move.

20. Rxd8+ gpt-5.4-nano 1 s best

Played from memory: no reasoning was produced for this move.

20... Bf8 grok-4.3 10 s inaccuracy

Thought for 10 s. The provider returned no reasoning text for this move.

21. Ra8 gpt-5.4-nano 1 s good

Played from memory: no reasoning was produced for this move.

21... Bd5 grok-4.3 14 s inaccuracy

Thought for 14 s. The provider returned no reasoning text for this move.

22. Rxa7 gpt-5.4-nano 1 s best

Played from memory: no reasoning was produced for this move.

22... Be4 grok-4.3 15 s good

Thought for 15 s. The provider returned no reasoning text for this move.

23. Ra8 gpt-5.4-nano 1 s best

Played from memory: no reasoning was produced for this move.

23... Bc6 grok-4.3 21 s mistake

Thought for 21 s. The provider returned no reasoning text for this move.

24. Rxf8+ gpt-5.4-nano 1 s blunder

Played from memory: no reasoning was produced for this move.

24... Kxf8 grok-4.3 1 s best

Thought for 1 s. The provider returned no reasoning text for this move.

25. a4 gpt-5.4-nano 1 s good

Played from memory: no reasoning was produced for this move.

25... Bxa4 grok-4.3 5 s best

Thought for 5 s. The provider returned no reasoning text for this move.

26. b4 gpt-5.4-nano 1 s good

Played from memory: no reasoning was produced for this move.

26... Kf7 grok-4.3 10 s best

Thought for 10 s. The provider returned no reasoning text for this move.

27. b5 gpt-5.4-nano 1 s good

Played from memory: no reasoning was produced for this move.

27... Bxb5 grok-4.3 4 s best

Thought for 4 s. The provider returned no reasoning text for this move.

28. f3 gpt-5.4-nano 1 s good

Played from memory: no reasoning was produced for this move.

28... c5 grok-4.3 3 s good

Thought for 3 s. The provider returned no reasoning text for this move.

29. g3 gpt-5.4-nano 1 s good

Played from memory: no reasoning was produced for this move.

29... c4 grok-4.3 4 s good

Thought for 4 s. The provider returned no reasoning text for this move.

30. f4 gpt-5.4-nano 1 s good

Played from memory: no reasoning was produced for this move.

30... c3 grok-4.3 5 s best

Thought for 5 s. The provider returned no reasoning text for this move.

31. f5 gpt-5.4-nano 1 s good

Played from memory: no reasoning was produced for this move.

31... c2 grok-4.3 4 s best

Thought for 4 s. The provider returned no reasoning text for this move.

32. f6 gpt-5.4-nano 1 s good

Played from memory: no reasoning was produced for this move.

32... c1=Q+ grok-4.3 4 s best

Thought for 4 s. The provider returned no reasoning text for this move.

33. Kf2 gpt-5.4-nano 1 s best

Played from memory: no reasoning was produced for this move.

33... Qc2+ grok-4.3 6 s best

Thought for 6 s. The provider returned no reasoning text for this move.

34. Ke3 gpt-5.4-nano 1 s best

Played from memory: no reasoning was produced for this move.

34... Qc3+ grok-4.3 5 s best

Thought for 5 s. The provider returned no reasoning text for this move.

35. Ke4 gpt-5.4-nano 1 s best

Played from memory: no reasoning was produced for this move.

35... Qc4+ grok-4.3 5 s best

Thought for 5 s. The provider returned no reasoning text for this move.

36. Ke5 gpt-5.4-nano 1 s best

Played from memory: no reasoning was produced for this move.

36... Qc5+ grok-4.3 6 s best

Thought for 6 s. The provider returned no reasoning text for this move.

37. Kf4 gpt-5.4-nano 1 s best

Played from memory: no reasoning was produced for this move.

37... Qd4+ grok-4.3 6 s best

Thought for 6 s. The provider returned no reasoning text for this move.

38. Kf5 gpt-5.4-nano 1 s best

Played from memory: no reasoning was produced for this move.

38... Qd5+ grok-4.3 4 s best

Thought for 4 s. The provider returned no reasoning text for this move.

39. Kf4 gpt-5.4-nano 1 s best

Played from memory: no reasoning was produced for this move.

39... Qd4+ grok-4.3 4 s best

Thought for 4 s. The provider returned no reasoning text for this move.

40. Kf5 gpt-5.4-nano 1 s best

Played from memory: no reasoning was produced for this move.

40... Qxf6+ grok-4.3 5 s brilliant

Thought for 5 s. The provider returned no reasoning text for this move.

41. Ke4 gpt-5.4-nano 1 s best

Played from memory: no reasoning was produced for this move.

41... Qf3+ grok-4.3 6 s inaccuracy

Thought for 6 s. The provider returned no reasoning text for this move.

42. Kxf3 gpt-5.4-nano 1 s best

Played from memory: no reasoning was produced for this move.

42... Bc6+ grok-4.3 5 s best

Thought for 5 s. The provider returned no reasoning text for this move.

43. Kf4 gpt-5.4-nano 1 s best

Played from memory: no reasoning was produced for this move.

43... g5+ grok-4.3 6 s good

Thought for 6 s. The provider returned no reasoning text for this move.

44. Kxg5 gpt-5.4-nano 1 s best

Played from memory: no reasoning was produced for this move.

44... h6+ grok-4.3 11 s good

Thought for 11 s. The provider returned no reasoning text for this move.

45. Kxh6 gpt-5.4-nano 1 s best

Played from memory: no reasoning was produced for this move.

45... b5 grok-4.3 7 s best

Thought for 7 s. The provider returned no reasoning text for this move.

46. Kh7 gpt-5.4-nano 1 s good

Played from memory: no reasoning was produced for this move.

46... Be4+ grok-4.3 8 s good

Thought for 8 s. The provider returned no reasoning text for this move.

47. Kh6 gpt-5.4-nano 1 s best

Played from memory: no reasoning was produced for this move.

47... b4 grok-4.3 6 s best

Thought for 6 s. The provider returned no reasoning text for this move.

48. Kh5 gpt-5.4-nano 1 s good

Played from memory: no reasoning was produced for this move.

48... b3 grok-4.3 4 s good

Thought for 4 s. The provider returned no reasoning text for this move.

49. h4 gpt-5.4-nano 1 s good

Played from memory: no reasoning was produced for this move.

49... b2 grok-4.3 5 s good

Thought for 5 s. The provider returned no reasoning text for this move.

50. Kh6 gpt-5.4-nano 1 s good

Played from memory: no reasoning was produced for this move.

50... b1=Q grok-4.3 5 s best

Thought for 5 s. The provider returned no reasoning text for this move.

51. Kg5 gpt-5.4-nano 1 s best

Played from memory: no reasoning was produced for this move.

51... Qb5+ grok-4.3 4 s good

Thought for 4 s. The provider returned no reasoning text for this move.

52. Kf4 gpt-5.4-nano 1 s best

Played from memory: no reasoning was produced for this move.

52... Qe5+ grok-4.3 4 s blunder

Thought for 4 s. The provider returned no reasoning text for this move.

53. Kxe5 gpt-5.4-nano 1 s best

Played from memory: no reasoning was produced for this move.

53... Bf3 grok-4.3 15 s best

Thought for 15 s. The provider returned no reasoning text for this move.

54. Kf5 gpt-5.4-nano 1 s best

Played from memory: no reasoning was produced for this move.

54... Be4+ grok-4.3 5 s blunder

Thought for 5 s. The provider returned no reasoning text for this move.

55. Kxe4 gpt-5.4-nano 1 s best

Played from memory: no reasoning was produced for this move.

55... Kg6 grok-4.3 7 s best

Thought for 7 s. The provider returned no reasoning text for this move.

56. Kf4 gpt-5.4-nano 1 s good

Played from memory: no reasoning was produced for this move.

56... Kh5 grok-4.3 7 s good

Thought for 7 s. The provider returned no reasoning text for this move.

57. Kf5 gpt-5.4-nano 1 s best

Played from memory: no reasoning was produced for this move.

57... Kh6 grok-4.3 2 s best

Thought for 2 s. The provider returned no reasoning text for this move.

58. Ke6 gpt-5.4-nano 1 s best

Played from memory: no reasoning was produced for this move.

58... Kg7 grok-4.3 10 s good

Thought for 10 s. The provider returned no reasoning text for this move.

59. Kd7 gpt-5.4-nano 1 s good

Played from memory: no reasoning was produced for this move.

59... Kg6 grok-4.3 7 s good

Thought for 7 s. The provider returned no reasoning text for this move.

60. Kc7 gpt-5.4-nano 1 s good

Played from memory: no reasoning was produced for this move.

60... Kh5 grok-4.3 8 s good

Thought for 8 s. The provider returned no reasoning text for this move.

61. Kc8 gpt-5.4-nano 1 s best

Played from memory: no reasoning was produced for this move.

61... Kg4 grok-4.3 10 s best

Thought for 10 s. The provider returned no reasoning text for this move.

62. Kd7 gpt-5.4-nano 1 s best

Played from memory: no reasoning was produced for this move.

62... Kxg3 grok-4.3 6 s best

Thought for 6 s. The provider returned no reasoning text for this move.

63. Kc8 gpt-5.4-nano 1 s blunder

Played from memory: no reasoning was produced for this move.

63... Kxh4 grok-4.3 2 s best

Thought for 2 s. The provider returned no reasoning text for this move.

What this match ran under

Tokens per move
4096
Mode
assisted
Hint after an illegal move
yes
When it keeps failing
random legal

Why these exist, and what removing them costs.