gpt-5.4-nano vs grok-4.3

Season 1 · Round 4 · 3 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 · 154 turns · $0.30 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.

grok-4.3 thought for 783 s as White · gpt-5.4-nano thought for 64 s as Black

1. e4 grok-4.3 3 s best

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

1... c5 gpt-5.4-nano 1 s good

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

2. Nf3 grok-4.3 3 s best

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

2... Nc6 gpt-5.4-nano 2 s best

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

3. d4 grok-4.3 5 s good

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

3... Nxd4 gpt-5.4-nano 1 s inaccuracy

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

4. Nxd4 grok-4.3 6 s best

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

4... Nf6 gpt-5.4-nano 1 s blunder

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

5. e5 grok-4.3 16 s good

Thought for 16 s. The provider returned no reasoning text for this move.

5... d6 gpt-5.4-nano 1 s inaccuracy

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

6. Bb5+ grok-4.3 7 s good

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

6... Bd7 gpt-5.4-nano 1 s good

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

7. Bxd7+ grok-4.3 8 s good

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

7... Nxd7 gpt-5.4-nano 1 s best

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

8. O-O grok-4.3 9 s blunder

Thought for 9 s. The provider returned no reasoning text for this move.

8... Nxe5 gpt-5.4-nano 1 s blunder

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

9. Bg5 grok-4.3 15 s blunder

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

9... cxd4 gpt-5.4-nano 1 s best

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

10. Qxd4 grok-4.3 11 s best

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

10... Nd3 gpt-5.4-nano 1 s blunder

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

11. Qa4+ grok-4.3 14 s inaccuracy

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

11... Qd7 gpt-5.4-nano 1 s best

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

12. Qxd7+ grok-4.3 12 s best

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

12... Kxd7 gpt-5.4-nano 1 s best

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

13. cxd3 grok-4.3 8 s best

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

13... a5 gpt-5.4-nano 1 s good

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

14. Nc3 grok-4.3 10 s best

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

14... Kd8 gpt-5.4-nano 1 s good

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

15. Nd5 grok-4.3 14 s good

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

15... Ke8 gpt-5.4-nano 1 s inaccuracy

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

16. Nc7+ grok-4.3 10 s best

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

16... Kd7 gpt-5.4-nano 1 s best

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

17. Nxa8 grok-4.3 8 s best

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

17... Rg8 gpt-5.4-nano 1 s good

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

18. Nb6+ grok-4.3 11 s best

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

18... Kc7 gpt-5.4-nano 1 s good

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

19. Na8+ grok-4.3 17 s good

Thought for 17 s. The provider returned no reasoning text for this move.

19... Kd7 gpt-5.4-nano 1 s good

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

20. Nb6+ grok-4.3 12 s best

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

20... Kc6 gpt-5.4-nano 1 s good

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

21. Rac1+ grok-4.3 13 s inaccuracy

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

21... Kxb6 gpt-5.4-nano 1 s best

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

22. Rc6+ grok-4.3 15 s blunder

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

22... Kxc6 gpt-5.4-nano 1 s inaccuracy

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

23. Rc1+ grok-4.3 9 s best

Thought for 9 s. The provider returned no reasoning text for this move.

23... Kd7 gpt-5.4-nano 1 s best

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

24. Rc7+ grok-4.3 14 s blunder

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

24... Kxc7 gpt-5.4-nano 1 s best

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

25. Bxe7 grok-4.3 10 s inaccuracy

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

25... Rh8 gpt-5.4-nano 1 s inaccuracy

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

26. Bd8+ grok-4.3 18 s inaccuracy

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

26... Kc6 gpt-5.4-nano 1 s inaccuracy

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

27. Bxa5 grok-4.3 22 s best

Thought for 22 s. The provider returned no reasoning text for this move.

27... b6 gpt-5.4-nano 1 s best

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

28. Bb4 grok-4.3 11 s good

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

28... Rg8 gpt-5.4-nano 1 s best

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

29. a4 grok-4.3 16 s good

Thought for 16 s. The provider returned no reasoning text for this move.

29... b5 gpt-5.4-nano 4 s good

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

30. axb5+ grok-4.3 14 s good

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

30... Kxb5 gpt-5.4-nano 1 s good

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

31. Bc3 grok-4.3 21 s best

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

31... d5 gpt-5.4-nano 1 s best

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

32. d4 grok-4.3 17 s good

Thought for 17 s. The provider returned no reasoning text for this move.

32... f5 gpt-5.4-nano 1 s good

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

33. b4 grok-4.3 18 s good

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

33... Bxb4 gpt-5.4-nano 1 s brilliant

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

34. Bxb4 grok-4.3 12 s best

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

34... Kxb4 gpt-5.4-nano 1 s best

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

35. g3 grok-4.3 10 s good

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

35... f4 gpt-5.4-nano 1 s good

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

36. gxf4 grok-4.3 8 s best

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

36... Rh8 gpt-5.4-nano 1 s good

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

37. f5 grok-4.3 10 s best

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

37... Rd8 gpt-5.4-nano 1 s good

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

38. f6 grok-4.3 8 s good

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

38... Rd6 gpt-5.4-nano 1 s good

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

39. f7 grok-4.3 8 s best

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

39... Rh6 gpt-5.4-nano 1 s blunder

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

40. f8=Q+ grok-4.3 9 s best

Thought for 9 s. The provider returned no reasoning text for this move.

40... Rd6 gpt-5.4-nano 0 s good

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

41. Qxd6+ grok-4.3 5 s best

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

41... Kb5 gpt-5.4-nano 1 s inaccuracy

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

42. Qxd5+ grok-4.3 16 s best

Thought for 16 s. The provider returned no reasoning text for this move.

42... Kb6 gpt-5.4-nano 1 s good

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

43. Qb7+ grok-4.3 8 s mistake

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

43... Kxb7 gpt-5.4-nano 1 s best

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

44. d5 grok-4.3 6 s blunder

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

44... Kb8 gpt-5.4-nano 1 s blunder

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

45. d6 grok-4.3 5 s blunder

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

45... Ka8 gpt-5.4-nano 1 s blunder

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

46. d7 grok-4.3 4 s best

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

46... Kb7 gpt-5.4-nano 1 s good

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

47. d8=Q grok-4.3 11 s best

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

47... Ka6 gpt-5.4-nano 1 s best

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

48. Qa8+ grok-4.3 16 s good

Thought for 16 s. The provider returned no reasoning text for this move.

48... Kb6 gpt-5.4-nano 1 s best

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

49. Qb8+ grok-4.3 8 s best

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

49... Kc6 gpt-5.4-nano 1 s best

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

50. Qc8+ grok-4.3 22 s good

Thought for 22 s. The provider returned no reasoning text for this move.

50... Kd5 gpt-5.4-nano 1 s best

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

51. Qc5+ grok-4.3 8 s blunder

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

51... Kxc5 gpt-5.4-nano 1 s best

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

52. Kg2 grok-4.3 7 s best

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

52... Kc4 gpt-5.4-nano 1 s best

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

53. Kf3 grok-4.3 7 s best

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

53... Kd4 gpt-5.4-nano 1 s best

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

54. Kg4 grok-4.3 10 s best

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

54... h6 gpt-5.4-nano 1 s inaccuracy

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

55. Kf5 grok-4.3 11 s best

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

55... g6+ gpt-5.4-nano 1 s blunder

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

56. Kxg6 grok-4.3 8 s best

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

56... Kc5 gpt-5.4-nano 1 s good

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

57. Kxh6 grok-4.3 4 s best

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

57... Kc4 gpt-5.4-nano 1 s best

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

58. h4 grok-4.3 5 s best

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

58... Kd4 gpt-5.4-nano 1 s best

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

59. h5 grok-4.3 14 s best

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

59... Kd3 gpt-5.4-nano 1 s best

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

60. f4 grok-4.3 16 s best

Thought for 16 s. The provider returned no reasoning text for this move.

60... Kc4 gpt-5.4-nano 1 s best

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

61. f5 grok-4.3 17 s best

Thought for 17 s. The provider returned no reasoning text for this move.

61... Kd4 gpt-5.4-nano 1 s best

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

62. f6 grok-4.3 6 s best

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

62... Kc5 gpt-5.4-nano 1 s best

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

63. f7 grok-4.3 9 s best

Thought for 9 s. The provider returned no reasoning text for this move.

63... Kd6 gpt-5.4-nano 1 s best

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

64. f8=Q+ grok-4.3 5 s best

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

64... Kc6 gpt-5.4-nano 1 s best

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

65. Qc8+ grok-4.3 14 s good

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

65... Kd6 gpt-5.4-nano 1 s good

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

66. Qd7+ grok-4.3 7 s brilliant

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

66... Kxd7 gpt-5.4-nano 1 s best

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

67. Kg7 grok-4.3 9 s good

Thought for 9 s. The provider returned no reasoning text for this move.

67... Ke8 gpt-5.4-nano 1 s good

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

68. Kf6 grok-4.3 11 s blunder

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

68... Kf8 gpt-5.4-nano 1 s best

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

69. h6 grok-4.3 13 s best

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

69... Ke8 gpt-5.4-nano 1 s blunder

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

70. Kg7 grok-4.3 10 s good

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

70... Kd7 gpt-5.4-nano 1 s best

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

71. h7 grok-4.3 13 s best

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

71... Kc7 gpt-5.4-nano 1 s best

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

72. h8=Q grok-4.3 5 s good

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

72... Kb6 gpt-5.4-nano 1 s best

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

73. Qb8+ grok-4.3 7 s good

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

73... Kc5 gpt-5.4-nano 1 s best

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

74. Qb5+ grok-4.3 8 s blunder

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

74... Kxb5 gpt-5.4-nano 1 s best

Played from memory: no reasoning was produced 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.