gemini-3.1-flash-lite vs grok-4.5

Season 1 · Round 2 · 31 July 2026

Seat	Model	Score
gemini-3.1-flash-lite	gemini/gemini-3.1-flash-lite	0
grok-4.5	xai/grok-4.5	1

Won by grok-4.5 on elimination · 66 turns · $0.55 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.

gemini-3.1-flash-lite thought for 18 s as White · grok-4.5 thought for 1520 s as Black

1. e4 gemini-3.1-flash-lite 1 s best

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

1... e5 grok-4.5 3 s best

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

2. Nf3 gemini-3.1-flash-lite 1 s best

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

2... Nc6 grok-4.5 3 s best

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

3. Bb5 gemini-3.1-flash-lite 0 s best

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

3... a6 grok-4.5 3 s best

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

4. Ba4 gemini-3.1-flash-lite 1 s best

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

4... Nf6 grok-4.5 4 s best

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

5. O-O gemini-3.1-flash-lite 1 s best

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

5... Be7 grok-4.5 5 s good

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

6. Re1 gemini-3.1-flash-lite 1 s best

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

6... b5 grok-4.5 8 s best

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

7. Bb3 gemini-3.1-flash-lite 1 s best

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

7... O-O grok-4.5 3 s best

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

8. d3 gemini-3.1-flash-lite 1 s good

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

8... d6 grok-4.5 4 s best

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

9. c3 gemini-3.1-flash-lite 0 s best

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

9... Na5 grok-4.5 21 s best

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

10. Bc2 gemini-3.1-flash-lite 1 s best

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

10... c5 grok-4.5 15 s best

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

11. Nbd2 gemini-3.1-flash-lite 1 s best

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

11... Qc7 grok-4.5 17 s good

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

12. Nf1 gemini-3.1-flash-lite 1 s best

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

12... Nc6 grok-4.5 11 s best

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

13. d4 gemini-3.1-flash-lite 0 s inaccuracy

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

13... cxd4 grok-4.5 13 s best

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

14. cxd4 gemini-3.1-flash-lite 1 s best

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

14... Bg4 grok-4.5 26 s best

Thought for 26 s. The provider returned no reasoning text for this move.

15. d5 gemini-3.1-flash-lite 1 s best

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

15... Nd4 grok-4.5 49 s brilliant

Thought for 49 s. The provider returned no reasoning text for this move.

16. Nxd4 gemini-3.1-flash-lite 0 s blunder

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

16... Bxd1 grok-4.5 25 s best

Thought for 25 s. The provider returned no reasoning text for this move.

17. Rxd1 gemini-3.1-flash-lite 1 s best

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

17... exd4 grok-4.5 50 s best

Thought for 50 s. The provider returned no reasoning text for this move.

18. Rxd4 gemini-3.1-flash-lite 1 s good

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

18... Qxc2 grok-4.5 15 s best

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

19. Bd2 gemini-3.1-flash-lite 1 s inaccuracy

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

19... Qxb2 grok-4.5 241 s best

Thought for 241 s. The provider returned no reasoning text for this move.

20. Bc3 gemini-3.1-flash-lite 1 s best

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

20... Qxc3 grok-4.5 47 s best

Thought for 47 s. The provider returned no reasoning text for this move.

21. Rad1 gemini-3.1-flash-lite 1 s best

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

21... Qb2 grok-4.5 472 s good

Thought for 472 s. The provider returned no reasoning text for this move.

22. R4d2 gemini-3.1-flash-lite 1 s best

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

22... Qxd2 grok-4.5 26 s brilliant

Thought for 26 s. The provider returned no reasoning text for this move.

23. Rxd2 gemini-3.1-flash-lite 1 s best

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

23... Rfc8 grok-4.5 38 s best

Thought for 38 s. The provider returned no reasoning text for this move.

24. Ne3 gemini-3.1-flash-lite 1 s good

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

24... Rc1+ grok-4.5 26 s good

Thought for 26 s. The provider returned no reasoning text for this move.

25. Rd1 gemini-3.1-flash-lite 1 s best

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

25... Rxd1+ grok-4.5 14 s best

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

26. Nxd1 gemini-3.1-flash-lite 1 s best

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

26... b4 grok-4.5 41 s good

Thought for 41 s. The provider returned no reasoning text for this move.

27. f3 gemini-3.1-flash-lite 1 s best

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

27... Rc8 grok-4.5 50 s best

Thought for 50 s. The provider returned no reasoning text for this move.

28. Nb2 gemini-3.1-flash-lite 1 s good

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

28... Rc2 grok-4.5 42 s good

Thought for 42 s. The provider returned no reasoning text for this move.

29. Na4 gemini-3.1-flash-lite 1 s good

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

29... Rxa2 grok-4.5 61 s best

Thought for 61 s. The provider returned no reasoning text for this move.

30. Nb6 gemini-3.1-flash-lite 1 s best

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

30... Nd7 grok-4.5 59 s inaccuracy

Thought for 59 s. The provider returned no reasoning text for this move.

31. Nxd7 gemini-3.1-flash-lite 1 s best

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

31... b3 grok-4.5 79 s best

Thought for 79 s. The provider returned no reasoning text for this move.

32. Nb6 gemini-3.1-flash-lite 1 s good

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

32... b2 grok-4.5 37 s best

Thought for 37 s. The provider returned no reasoning text for this move.

33. Na4 gemini-3.1-flash-lite 0 s good

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

33... b1=Q# grok-4.5 11 s best

Thought for 11 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.