Pass rate

  1. 1GPT-6.1 Sol64.6%[49, 82]0.87$0.845.7Score 0.87 · $0.84 · 5.7 min
  2. 2Claude Opus 5.5Opus 5.559.2%[46, 72]0.84$2.157.4Score 0.84 · $2.15 · 7.4 min
  3. 3Claude Sonnet 5.5Sonnet 5.545.4%[32, 59]0.79$1.399.8Score 0.79 · $1.39 · 9.8 min
  4. 4Muse Spark 1.329.2%[17, 42]0.56$1.8822.8Score 0.56 · $1.88 · 22.8 min
  5. 5Kimi K36.7%[2, 13]0.33$1.9521.3Score 0.33 · $1.95 · 21.3 min
  6. 6Qwen3.8 Max4.2%[0, 9]0.17$0.9030.1Score 0.17 · $0.90 · 30.1 min
  7. 7GLM 5.33.3%[0, 8]0.14$1.6925.1Score 0.14 · $1.69 · 25.1 min
  8. 8Nemotron 3 Ultra1.7%[0, 5]0.21$0.7521.1Score 0.21 · $0.75 · 21.1 min

Where models fail

GPT-6.1 Sol100%85 failed
Claude Opus 5.5Opus 5.588%12%98 failed
Claude Sonnet 5.5Sonnet 5.599%131 failed
Muse Spark 1.370%30%170 failed
Kimi K387%222 failed
Qwen3.8 Max25%57%18%229 failed
GLM 5.326%29%41%232 failed
Nemotron 3 Ultra75%23%232 failed

Pass rate by area

Pass rate in each area, per cent of runs
ModelEmbedded systems19 tasksSensor configuration faults6 tasksDriver and peripheral bring‑up3 tasksControl logic and PCB2 tasks
GPT-6.1 Sol76335462
Claude Opus 5.5Opus 5.558447594
Claude Sonnet 5.5Sonnet 5.543356762
Muse Spark 1.327333825
Kimi K3317419
Qwen3.8 Max18025
GLM 5.318019
Nemotron 3 Ultra0800

Cost per run

010203040506070%$0.00$0.50$1.00$1.50$2.00$2.50Cost per run, US dollarsPass rateGPT-6.1 SolClaude Opus 5.5Claude Sonnet 5.5Muse Spark 1.3Kimi K3Qwen3.8 MaxGLM 5.3Nemotron 3 Ultra
010203040506070%$0.00$0.50$1.00$1.50$2.00$2.50Cost per run, US dollarsPass rateGPT-6.1 SolOpus 5.5Sonnet 5.5Muse Spark 1.3Kimi K3Qwen3.8 MaxGLM 5.3Nemotron 3 Ultra
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