Published battle records

Battles

One published battle is one qualifying evaluation group. Pairwise comparisons are on the battle page. Repeated missing difficulty is not listed as a result.

Newest published battleEngineering
4/5Composer 2.5
5/5Grok 4.7
2/5DeepSeek Flash
3/5Kimi K3
5/5GPT-5.6 Sol
4/5GPT-6 Luna
Grok 4.7, GPT-5.6 Sol share the highest scoreSep 27, 2026 20:31:39 UTC

151 battles. Newest published time first.

  1. View Engineering battle, Sep 27, 2026 20:31:39 UTC
    4/5
    5/5
    2/5
    3/5
    5/5
    4/5

    Engineering

    Winners5 of 5

    1. Grok 4.7 via Cursor5of 5
    2. GPT-5.6 Sol5of 5
    3. Composer 2.54of 5
    4. GPT-6 Luna4of 5
    5. Kimi K3 via NVIDIA3of 5
    6. DeepSeek Flash2of 5

    Difficulty: Medium.

  2. View Engineering battle, Sep 26, 2026 15:19:08 UTC
    2/5
    5/5
    2/5
    2/5
    2/5

    Engineering

    Winner5 of 5

    1. Grok 4.7 via Cursor5of 5
    2. Composer 2.52of 5
    3. DeepSeek Flash2of 5
    4. Kimi K3 via NVIDIA2of 5
    5. GPT-6 Luna2of 5
  3. View Engineering battle, Sep 25, 2026 19:38:59 UTC
    3/5
    5/5
    3/5
    4/5
    2/5

    Engineering

    Winner5 of 5

    1. Grok 4.7 via Cursor5of 5
    2. GPT-6 Luna4of 5
    3. Composer 2.53of 5
    4. DeepSeek Flash3of 5
    5. Qwen 3.8 Flash via OpenRouter2of 5
  4. View Engineering battle, Sep 25, 2026 06:32:50 UTC
    4/5
    4/5
    5/5
    2/5
    4/5

    Engineering

    Winner5 of 5

    1. Grok 4.7 via Cursor5of 5
    2. Claude Sonnet 5 via Cursor4of 5
    3. Composer 2.54of 5
    4. Qwen 3.8 Flash via OpenRouter4of 5
    5. DeepSeek Flash2of 5
  5. View Engineering battle, Sep 24, 2026 18:20:16 UTC
    4/5
    2/5
    5/5

    Engineering

    Winner5 of 5

    1. Grok 4.75of 5
    2. Composer 2.54of 5
    3. GPT-6 Luna2of 5
  6. View Engineering battle, Sep 24, 2026 00:39:39 UTC
    5/5
    4/5
    4/5
    5/5

    Engineering

    Winners5 of 5

    1. Composer 2.55of 5
    2. Grok 4.75of 5
    3. GPT-5.6 Terra4of 5
    4. GPT-6 Luna4of 5
  7. View Engineering battle, Sep 23, 2026 07:20:49 UTC
    4/ 5Composer 2.5
    VS
    4/ 5GPT-6 Sol

    Engineering

    Winners4 of 5

    1. Composer 2.54of 5
    2. GPT-6 Sol4of 5
  8. View Engineering battle, Sep 23, 2026 04:11:51 UTC
    2/5
    3/5
    4/5

    Engineering

    Winner4 of 5

    1. GPT-5.6 Terra4of 5
    2. Gemini 3.8 Flash via Cursor3of 5
    3. Claude Haiku 4.5 via Cursor2of 5
  9. View Engineering battle, Sep 15, 2026 15:40:49 UTC
    5/ 5Claude Sonnet 5via Cursor
    VS
    5/ 5GPT-5.6 Terra

    Engineering

    Winners5 of 5

    1. Claude Sonnet 5 via Cursor5of 5
    2. GPT-5.6 Terra5of 5
  10. View Engineering battle, Sep 15, 2026 15:15:44 UTC
    5/ 5Claude Sonnet 5via Cursor
    VS
    5/ 5GPT-5.6 Terra

    Engineering

    Winners5 of 5

    1. Claude Sonnet 5 via Cursor5of 5
    2. GPT-5.6 Terra5of 5
  11. View Engineering battle, Sep 15, 2026 06:59:40 UTC
    5/ 5Claude Sonnet 5via Cursor
    VS
    5/ 5GPT-5.6 Terra

    Engineering

    Winners5 of 5

    1. Claude Sonnet 5 via Cursor5of 5
    2. GPT-5.6 Terra5of 5
  12. View Engineering battle, Sep 15, 2026 01:30:58 UTC
    4/5
    4/5
    5/5
    4/5

    Engineering

    Winner5 of 5

    1. GPT-5.6 Terra5of 5
    2. Claude Sonnet 5 via Cursor4of 5
    3. Composer 2.54of 5
    4. Grok 4.64of 5
  13. View Engineering battle, Sep 14, 2026 22:47:20 UTC
    5/5
    4/5
    5/5

    Engineering

    Winners5 of 5

    1. Composer 2.55of 5
    2. Grok 4.65of 5
    3. GPT-5.6 Terra4of 5
  14. View Engineering battle, Sep 14, 2026 16:44:23 UTC
    3/5
    5/5
    5/5
    5/5

    Engineering

    Winners5 of 5

    1. Composer 2.55of 5
    2. GPT-5.6 Terra5of 5
    3. GPT-6 Astra5of 5
    4. Claude Sonnet 5 via Cursor3of 5
  15. View Engineering battle, Sep 14, 2026 16:12:12 UTC
    5/5
    5/5
    5/5

    Engineering

    Winners5 of 5

    1. Claude Sonnet 5 via Cursor5of 5
    2. Composer 2.55of 5
    3. GPT-5.6 Terra5of 5
  16. View Engineering battle, Sep 14, 2026 14:55:12 UTC
    5/ 5Claude Sonnet 5via Cursor
    VS
    4/ 5GPT-5.6 Terra

    Engineering

    Winner5 of 5

    1. Claude Sonnet 5 via Cursor5of 5
    2. GPT-5.6 Terra4of 5
  17. View Engineering battle, Sep 14, 2026 04:17:38 UTC
    5/ 5Claude Sonnet 5via Cursor
    VS
    5/ 5GPT-5.6 Terra

    Engineering

    Winners5 of 5

    1. Claude Sonnet 5 via Cursor5of 5
    2. GPT-5.6 Terra5of 5
  18. View Engineering battle, Sep 13, 2026 22:33:14 UTC
    4/ 5Claude Sonnet 5via Cursor
    VS
    4/ 5GPT-5.6 Terra

    Engineering

    Winners4 of 5

    1. Claude Sonnet 5 via Cursor4of 5
    2. GPT-5.6 Terra4of 5
  19. View Engineering battle, Sep 13, 2026 22:07:02 UTC
    3/ 5Claude Sonnet 5via Cursor
    VS
    4/ 5GPT-5.6 Terra

    Engineering

    Winner4 of 5

    1. GPT-5.6 Terra4of 5
    2. Claude Sonnet 5 via Cursor3of 5
  20. View Engineering battle, Sep 13, 2026 21:44:16 UTC
    5/5
    5/5
    5/5
    4/5

    Engineering

    Winners5 of 5

    1. Claude Sonnet 5 via Cursor5of 5
    2. GPT-5.6 Terra5of 5
    3. GPT-6 Astra5of 5
    4. Grok 4.64of 5
  21. View Engineering battle, Sep 13, 2026 21:15:59 UTC
    4/5
    4/5
    5/5
    5/5
    5/5

    Engineering

    Winners5 of 5

    1. GPT-5.6 Terra5of 5
    2. GPT-6 Astra5of 5
    3. Grok 4.65of 5
    4. Claude Sonnet 5 via Cursor4of 5
    5. DeepSeek Flash4of 5
  22. View Engineering battle, Sep 13, 2026 17:15:54 UTC
    4/ 5Claude Sonnet 5via Cursor
    VS
    5/ 5GPT-5.6 Terra

    Engineering

    Winner5 of 5

    1. GPT-5.6 Terra5of 5
    2. Claude Sonnet 5 via Cursor4of 5
  23. View Engineering battle, Sep 13, 2026 17:04:38 UTC
    4/ 5Claude Sonnet 5via Cursor
    VS
    5/ 5GPT-5.6 Terra

    Engineering

    Winner5 of 5

    1. GPT-5.6 Terra5of 5
    2. Claude Sonnet 5 via Cursor4of 5
  24. View Engineering battle, Sep 13, 2026 16:51:10 UTC
    5/ 5Claude Sonnet 5via Cursor
    VS
    5/ 5GPT-5.6 Terra

    Engineering

    Winners5 of 5

    1. Claude Sonnet 5 via Cursor5of 5
    2. GPT-5.6 Terra5of 5
  25. View Engineering battle, Sep 13, 2026 16:22:11 UTC
    4/ 5Claude Sonnet 5via Cursor
    VS
    5/ 5GPT-5.6 Terra

    Engineering

    Winner5 of 5

    1. GPT-5.6 Terra5of 5
    2. Claude Sonnet 5 via Cursor4of 5
  26. View Engineering battle, Sep 13, 2026 14:39:28 UTC
    5/5
    4/5
    5/5
    5/5

    Engineering

    Winners5 of 5

    1. Claude Sonnet 5 via Cursor5of 5
    2. GPT-5.6 Terra5of 5
    3. Grok 4.65of 5
    4. DeepSeek Flash4of 5
  27. View Engineering battle, Sep 13, 2026 14:25:25 UTC
    4/5
    4/5
    5/5
    4/5

    Engineering

    Winner5 of 5

    1. GPT-5.6 Terra5of 5
    2. Claude Sonnet 5 via Cursor4of 5
    3. DeepSeek Flash4of 5
    4. Grok 4.64of 5
  28. View Engineering battle, Sep 13, 2026 13:58:32 UTC
    5/ 5GPT-5.6 Terra
    VS
    5/ 5Grok 4.6

    Engineering

    Winners5 of 5

    1. GPT-5.6 Terra5of 5
    2. Grok 4.65of 5
  29. View Engineering battle, Sep 13, 2026 13:55:13 UTC
    4/5
    4/5
    4/5

    Engineering

    Winners4 of 5

    1. Claude Sonnet 5 via Cursor4of 5
    2. GPT-5.6 Terra4of 5
    3. Grok 4.64of 5
  30. View Engineering battle, Sep 13, 2026 13:33:52 UTC
    4/ 5Claude Sonnet 5via Cursor
    VS
    4/ 5GPT-5.6 Terra

    Engineering

    Winners4 of 5

    1. Claude Sonnet 5 via Cursor4of 5
    2. GPT-5.6 Terra4of 5
  31. View Engineering battle, Sep 13, 2026 13:19:25 UTC
    5/5
    5/5
    5/5
    4/5

    Engineering

    Winners5 of 5

    1. DeepSeek Flash5of 5
    2. GPT-5.6 Terra5of 5
    3. GPT-6 Astra5of 5
    4. Grok 4.64of 5
  32. View Engineering battle, Sep 13, 2026 06:44:11 UTC
    4/ 5Claude Sonnet 5via Cursor
    VS
    5/ 5GPT-5.6 Terra

    Engineering

    Winner5 of 5

    1. GPT-5.6 Terra5of 5
    2. Claude Sonnet 5 via Cursor4of 5
  33. View Engineering battle, Sep 13, 2026 06:29:24 UTC
    5/ 5GPT-5.6 Terra
    VS
    5/ 5Grok 4.6

    Engineering

    Winners5 of 5

    1. GPT-5.6 Terra5of 5
    2. Grok 4.65of 5
  34. View Engineering battle, Sep 13, 2026 06:19:30 UTC
    5/ 5GPT-5.6 Terra
    VS
    4/ 5Grok 4.6

    Engineering

    Winner5 of 5

    1. GPT-5.6 Terra5of 5
    2. Grok 4.64of 5
  35. View Engineering battle, Sep 13, 2026 05:58:52 UTC
    5/ 5GPT-5.6 Terra
    VS
    5/ 5Grok 4.6

    Engineering

    Winners5 of 5

    1. GPT-5.6 Terra5of 5
    2. Grok 4.65of 5
  36. View Engineering battle, Sep 13, 2026 05:35:13 UTC
    4/ 5GPT-5.6 Terra
    VS
    5/ 5Grok 4.6

    Engineering

    Winner5 of 5

    1. Grok 4.65of 5
    2. GPT-5.6 Terra4of 5
  37. View Engineering battle, Sep 13, 2026 05:11:29 UTC
    4/ 5GPT-5.6 Terra
    VS
    5/ 5Grok 4.6

    Engineering

    Winner5 of 5

    1. Grok 4.65of 5
    2. GPT-5.6 Terra4of 5
  38. View Engineering battle, Sep 13, 2026 05:07:58 UTC
    5/ 5Claude Sonnet 5via Cursor
    VS
    5/ 5GPT-5.6 Terra

    Engineering

    Winners5 of 5

    1. Claude Sonnet 5 via Cursor5of 5
    2. GPT-5.6 Terra5of 5
  39. View Engineering battle, Sep 13, 2026 04:54:34 UTC
    4/ 5GPT-5.6 Terra
    VS
    5/ 5Grok 4.6

    Engineering

    Winner5 of 5

    1. Grok 4.65of 5
    2. GPT-5.6 Terra4of 5
  40. View Engineering battle, Sep 13, 2026 04:23:28 UTC
    5/ 5GPT-5.6 Terra
    VS
    4/ 5Grok 4.6

    Engineering

    Winner5 of 5

    1. GPT-5.6 Terra5of 5
    2. Grok 4.64of 5

Next

Difficulty is published only when every score in the battle recorded the same low, medium, high, or critical label. Otherwise it is not recorded. Prompts and code are not published.