gemini-3.1-flash-lite vs gpt-5.5

Season 1 · Round 5 · 4 August 2026

Seat	Model	Score
gemini-3.1-flash-lite	gemini/gemini-3.1-flash-lite	1
gpt-5.5	openai/gpt-5.5	0

Won by gemini-3.1-flash-lite on elimination · 55 turns · $3.80 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-5.5 thought for 933 s as White · gemini-3.1-flash-lite thought for 13 s as Black

1. e4 gpt-5.5 5 s best

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

1... c5 gemini-3.1-flash-lite 1 s good

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

2. Nf3 gpt-5.5 9 s best

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

2... d6 gemini-3.1-flash-lite 0 s good

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

3. d4 gpt-5.5 11 s best

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

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

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

4. Nxd4 gpt-5.5 3 s best

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

4... Nf6 gemini-3.1-flash-lite 0 s best

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

5. Nc3 gpt-5.5 8 s best

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

5... a6 gemini-3.1-flash-lite 1 s best

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

6. Bg5 gpt-5.5 9 s good

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

6... e6 gemini-3.1-flash-lite 0 s best

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

7. f4 gpt-5.5 6 s best

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

7... Be7 gemini-3.1-flash-lite 1 s best

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

8. Qf3 gpt-5.5 12 s best

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

8... O-O gemini-3.1-flash-lite 1 s inaccuracy

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

9. O-O-O gpt-5.5 6 s best

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

9... Qc7 gemini-3.1-flash-lite 1 s best

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

10. g4 gpt-5.5 11 s mistake

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

10... b5 gemini-3.1-flash-lite 1 s best

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

11. Bxf6 gpt-5.5 81 s good

Thought for 81 s. The provider returned no reasoning text for this move.

11... Bxf6 gemini-3.1-flash-lite 1 s best

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

12. g5 gpt-5.5 62 s best

Thought for 62 s. The provider returned no reasoning text for this move.

12... Bxd4 gemini-3.1-flash-lite 1 s best

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

13. Rxd4 gpt-5.5 21 s best

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

13... Nc6 gemini-3.1-flash-lite 1 s best

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

14. Rd2 gpt-5.5 54 s best

Thought for 54 s. The provider returned no reasoning text for this move.

14... Bb7 gemini-3.1-flash-lite 1 s good

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

15. f5 gpt-5.5 61 s mistake

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

15... exf5 gemini-3.1-flash-lite 1 s mistake

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

16. Nd5 gpt-5.5 78 s good

Thought for 78 s. The provider returned no reasoning text for this move.

16... Qd8 gemini-3.1-flash-lite 1 s inaccuracy

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

17. Nf6+ gpt-5.5 54 s mistake

Thought for 54 s. The provider returned no reasoning text for this move.

17... gxf6 gemini-3.1-flash-lite 1 s best

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

18. Bxb5 gpt-5.5 83 s mistake forced substitution

Thought for 83 s. The provider returned no reasoning text for this move.

18... axb5 gemini-3.1-flash-lite 1 s best

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

19. gxf6 gpt-5.5 77 s best

Thought for 77 s. The provider returned no reasoning text for this move.

19... Qxf6 gemini-3.1-flash-lite 1 s good

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

20. Rg1+ gpt-5.5 75 s good

Thought for 75 s. The provider returned no reasoning text for this move.

20... Kh8 gemini-3.1-flash-lite 1 s best

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

21. Rg7 gpt-5.5 84 s inaccuracy forced substitution

Thought for 84 s. The provider returned no reasoning text for this move.

21... Kxg7 gemini-3.1-flash-lite 1 s good

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

22. Qg4+ gpt-5.5 84 s good forced substitution

Thought for 84 s. The provider returned no reasoning text for this move.

22... fxg4 gemini-3.1-flash-lite 1 s best

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

23. Rxd6 gpt-5.5 13 s best

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

23... Qxd6 gemini-3.1-flash-lite 1 s best

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

24. e5 gpt-5.5 11 s best

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

24... Qxe5 gemini-3.1-flash-lite 1 s best

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

25. Kb1 gpt-5.5 18 s best

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

25... Qe1# gemini-3.1-flash-lite 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.