Winner

GPT-6 Luna Medium

Engineering · October 13, 2026 · Difficulty: Medium

Final combined results in supplied rank order. Tied ranks remain tied.
ResultRank 1GPT-6 Luna MediumRank 2GPT-6 Sol HighRank 3GPT-6 Astra LowRank 4Claude Opus 5.5 MediumRank 5GPT-6 Astra HighRank 6GPT-6 Sol LowRank 7Grok 4.7 HighRank 8Claude Sonnet 5.5 MediumRank 9Claude Haiku 5.5 Low
Combined score90.2989.6189.5888.9188.9080.6475.9872.3552.47
Judge
Judge score /10090.0090.0090.0090.0090.0080.0078.0072.5051.50
Correctness /10999998885
Coverage /10999998855
Evidence /10999998785
Actionability /10999998886
Time2.76 s12.6 s13.19 s26.6 s26.78 s5.17 s91.21 s26.09 s25.83 s
Estimated USD$0.000333$0.010608$0.03891N/A$0.05146$0.006728N/AN/AN/A

Astra/Sol estimates use reviewed official standard API rates with cache ignored; other estimates use original frozen rates. Cost remains excluded from this battle score. These estimates are not Codex subscription charges or billed USD.

Judge score uses recorded rubric metrics; final rank uses the combined score.

Component points
Final combined results in supplied rank order. Tied ranks remain tied.
ResultRank 1 GPT-6 Luna MediumRank 2 GPT-6 Sol HighRank 3 GPT-6 Astra LowRank 4 Claude Opus 5.5 MediumRank 5 GPT-6 Astra HighRank 6 GPT-6 Sol LowRank 7 Grok 4.7 HighRank 8 Claude Sonnet 5.5 MediumRank 9 Claude Haiku 5.5 Low
Quality points85.263285.263285.263285.263285.263275.789573.894768.684248.7895
Test points000000000
Speed points5.03184.34974.31443.64643.6394.84582.08853.6683.6792
Cost points000000000

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Advanced results and scoring details

engineering · 2026-10-13T03:31:25.863Z · Prospective evaluation. Equal transport and native system conditions are unverified.

Applied weights: quality 94.7368%, tests 0%, speed 5.2632%, cost 0%.

Cost was omitted for every configuration in this cohort. Active weights were normalized uniformly. Displayed scores are rounded; pairwise outcomes use exact recorded fractions. Reference costs are estimates, not billed charges. Missing components follow the recorded assessment.

Pairwise results

  • Claude Opus 5.5 Medium vs GPT-6 Astra High: First configuration wins
  • Claude Opus 5.5 Medium vs GPT-6 Sol High: Second configuration wins
  • Claude Opus 5.5 Medium vs Claude Haiku 5.5 Low: First configuration wins
  • Claude Opus 5.5 Medium vs GPT-6 Luna Medium: Second configuration wins
  • Claude Opus 5.5 Medium vs GPT-6 Astra Low: Second configuration wins
  • Claude Opus 5.5 Medium vs Grok 4.7 High: First configuration wins
  • Claude Opus 5.5 Medium vs GPT-6 Sol Low: First configuration wins
  • Claude Opus 5.5 Medium vs Claude Sonnet 5.5 Medium: First configuration wins
  • GPT-6 Astra High vs GPT-6 Sol High: Second configuration wins
  • GPT-6 Astra High vs Claude Haiku 5.5 Low: First configuration wins
  • GPT-6 Astra High vs GPT-6 Luna Medium: Second configuration wins
  • GPT-6 Astra High vs GPT-6 Astra Low: Second configuration wins
  • GPT-6 Astra High vs Grok 4.7 High: First configuration wins
  • GPT-6 Astra High vs GPT-6 Sol Low: First configuration wins
  • GPT-6 Astra High vs Claude Sonnet 5.5 Medium: First configuration wins
  • GPT-6 Sol High vs Claude Haiku 5.5 Low: First configuration wins
  • GPT-6 Sol High vs GPT-6 Luna Medium: Second configuration wins
  • GPT-6 Sol High vs GPT-6 Astra Low: First configuration wins
  • GPT-6 Sol High vs Grok 4.7 High: First configuration wins
  • GPT-6 Sol High vs GPT-6 Sol Low: First configuration wins
  • GPT-6 Sol High vs Claude Sonnet 5.5 Medium: First configuration wins
  • Claude Haiku 5.5 Low vs GPT-6 Luna Medium: Second configuration wins
  • Claude Haiku 5.5 Low vs GPT-6 Astra Low: Second configuration wins
  • Claude Haiku 5.5 Low vs Grok 4.7 High: Second configuration wins
  • Claude Haiku 5.5 Low vs GPT-6 Sol Low: Second configuration wins
  • Claude Haiku 5.5 Low vs Claude Sonnet 5.5 Medium: Second configuration wins
  • GPT-6 Luna Medium vs GPT-6 Astra Low: First configuration wins
  • GPT-6 Luna Medium vs Grok 4.7 High: First configuration wins
  • GPT-6 Luna Medium vs GPT-6 Sol Low: First configuration wins
  • GPT-6 Luna Medium vs Claude Sonnet 5.5 Medium: First configuration wins
  • GPT-6 Astra Low vs Grok 4.7 High: First configuration wins
  • GPT-6 Astra Low vs GPT-6 Sol Low: First configuration wins
  • GPT-6 Astra Low vs Claude Sonnet 5.5 Medium: First configuration wins
  • Grok 4.7 High vs GPT-6 Sol Low: Second configuration wins
  • Grok 4.7 High vs Claude Sonnet 5.5 Medium: First configuration wins
  • GPT-6 Sol Low vs Claude Sonnet 5.5 Medium: First configuration wins