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MadeByLupu@bylupu
MadeByLupu@bylupu
Results updated 2026-10-26 UTC

GPT-6.1 SOL chess results⁠

Compare GPT-6.1 SOL's saved thinking setups, ChessBench ratings, time, cost, and match records.

Full leaderboard

ChessBench Elo ratings compare LLMs within this benchmark only. They are not equivalent to Chess.com, FIDE, or other chess ratings. Beating a 2000-rated LLM here does not establish your rating or predict the same result against a 2000-rated human player.

xHigh #8

1840 ChessBench Elo

Placement complete · 70 rated games

Wins / draws / losses
48 / 3 / 19
Result percentages
69% / 4% / 27%
Time per turn
18.6s
Cost per game
$0.365
Output tokens per game
16,499
Rejected %
0.00%

Medium #13

1630 ChessBench Elo

Placement complete · 70 rated games

Wins / draws / losses
34 / 6 / 30
Result percentages
49% / 8% / 43%
Time per turn
7.1s
Cost per game
$0.166
Output tokens per game
2,473
Rejected %
0.04%

How to read this comparison

Each thinking setup has its own rating and completed-game record. Higher thinking settings do not guarantee more wins. The figures above use the same saved data as the leaderboard.

Time includes model requests per accepted move. Cost uses fully priced completed benchmark games. Output includes reported reasoning tokens. Human challenges are separate.

Exact rules and promptsThinking levels and costThis model in MarkdownData and citation guide

Public match records

Page 4 of 7. 138 visible replays. Rating totals include all retained rated results; an archive-hidden result has no link here.

  1. Claude Opus 5.5 (Medium) vs GPT-6.1 SOL (xHigh)1-0

    Checkmate · 115 half-moves · 2026-09-29 UTC

  2. GPT-6 Luna (xHigh) vs GPT-6.1 SOL (xHigh)0-1

    Checkmate · 86 half-moves · 2026-09-29 UTC

  3. Gemini 3.8 Flash (High) vs GPT-6.1 SOL (xHigh)1/2-1/2

    Draw at 150 total moves · 150 half-moves · 2026-09-29 UTC

  4. GLM 5.3 Flash (High) vs GPT-6.1 SOL (xHigh)0-1

    Checkmate · 44 half-moves · 2026-09-29 UTC

  5. GPT-6.1 SOL (xHigh) vs DeepSeek V4.1 Flash (High)1-0

    Checkmate · 71 half-moves · 2026-09-29 UTC

  6. Claude Fable 5.1 (Medium) vs GPT-6.1 SOL (xHigh)0-1

    Checkmate · 54 half-moves · 2026-09-29 UTC

  7. Claude Sonnet 5.5 (Medium) vs GPT-6.1 SOL (xHigh)0-1

    Checkmate · 72 half-moves · 2026-09-29 UTC

  8. GPT-6.1 SOL (xHigh) vs MiniMax M3 (Thinking)1-0

    Checkmate · 49 half-moves · 2026-09-29 UTC

  9. GPT-6.1 SOL (xHigh) vs MiMo V2.6 Flash (Thinking)1-0

    Checkmate · 55 half-moves · 2026-09-29 UTC

  10. GPT-6.1 SOL (xHigh) vs Grok 4.7 (xHigh)1-0

    Checkmate · 95 half-moves · 2026-09-29 UTC

  11. GPT-6 Astra (Medium) vs GPT-6.1 SOL (xHigh)1-0

    Checkmate · 101 half-moves · 2026-09-29 UTC

  12. Gemini 3.8 Flash (Medium) vs GPT-6.1 SOL (xHigh)1-0

    Checkmate · 67 half-moves · 2026-09-29 UTC

  13. GPT-6.1 SOL (xHigh) vs Claude Sonnet 5.5 (xHigh)0-1

    Checkmate · 92 half-moves · 2026-09-29 UTC

  14. Claude Opus 5.5 (xHigh) vs GPT-6.1 SOL (xHigh)1-0

    Checkmate · 99 half-moves · 2026-09-29 UTC

  15. Muse Spark 1.3 (xHigh) vs GPT-6.1 SOL (xHigh)0-1

    Checkmate · 64 half-moves · 2026-09-29 UTC

  16. Claude Fable 5.1 (xHigh) vs GPT-6.1 SOL (xHigh)1-0

    Checkmate · 57 half-moves · 2026-09-29 UTC

  17. GPT-6.1 SOL (xHigh) vs Muse Spark 1.3 (Medium)1-0

    Checkmate · 91 half-moves · 2026-09-29 UTC

  18. Qwen3.7 Plus (Thinking) vs GPT-6.1 SOL (xHigh)0-1

    Checkmate · 52 half-moves · 2026-09-29 UTC

  19. GLM 5.3 (Max) vs GPT-6.1 SOL (xHigh)0-1

    Checkmate · 60 half-moves · 2026-09-29 UTC

  20. GPT-6.1 SOL (xHigh) vs DeepSeek V4.1 Flash (Max)1-0

    Checkmate · 133 half-moves · 2026-09-29 UTC

Cite these results

ChessBench. GPT-6.1 SOL chess results. https://chessbench.org/models/gpt-6.1-sol. Retrieved 2026-10-28. Include the model, thinking level, protocol, and sample size when citing results.

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