StructuralOptimization
Task 43 / 47
ISCSO2015
ISCSO 2015–style 45-bar 2D truss sizing and shape optimization under stress, displacement, and volume constraints to minimize mass or compliance. FEM-linked black-box evaluation reflects automated conceptual structural design in civil engineering competitions.
Model leaderboard
Updated v1 results · 2026-09-15 · raw score, higher is better.
| # | Participant | Raw score | Medal |
|---|---|---|---|
| 1 | Claude Opus 4.6 | -968.4567 | Gold |
| 2 | DeepSeek V3.2 | -1,120.212 | Silver |
| 3 | GLM-5 | -1,139.3354 | Bronze |
| 4 | Seed 2.0 Pro | -1,302.2288 | — |
| 5 | Qwen3 Coder Next | -1,308.2575 | — |
| 6 | Grok 4.20 | -1,318.7566 | — |
| 7 | Gemini 3.1 Pro Preview | -5,401.589 | — |
| 8 | GPT-5.4 | -5,401.589 | — |
Framework results · original paper
Historical results from the original evaluators · normalized score (0–100).
| # | Participant | Score |
|---|---|---|
| 1 | Claude Opus 4.6 + ABMCTS | 100.0 |
| 2 | Claude Opus 4.6 + OpenEvolve | 99.8 |
| 3 | GPT-OSS + OpenEvolve | 94.5 |
| 4 | GPT-OSS + ABMCTS | 92.1 |
| 5 | Claude Opus 4.6 + ShinkaiEvolve | 0.0 |
| 6 | GPT-OSS + ShinkaiEvolve | 0.0 |
Model results use the updated scores and medal thresholds. No valid score earns zero medal credit. Historical framework scores use the original evaluators and have not been updated alongside the model results.