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$0.006728$0.076094N/AN/A

Supplemental estimates use reviewed exact-route API-equivalent list-rate scenarios with cache ignored; recorded estimates retain their frozen rates. Cost remains excluded from this battle score. These estimates are not Codex subscription charges or billed USD.

Historical Claude CLI cache counters were not retained. Complete input and complete reference cost are unavailable.

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

Component points and token usage
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
Total input incl cacheN/A2,4092,641N/A2,6412,40917,002N/AN/A
Cache read (subset of input)N/A00N/A00N/AN/AN/A
Cache write (subset of input)N/A00N/A00N/AN/AN/A
Total output incl reasoningN/A579250N/A5011917,015N/AN/A
Reasoning (subset of output)N/AN/AN/AN/AN/AN/AN/AN/AN/A

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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