SciDesignBench - Optimization (20-Turn Feedback): leaderboard

Metric: Long-horizon design optimization, one attempt of up to 20 rounds of simulator feedback starting from a seed design; mean success rate (%) over the 10 optimization shared-core domains, 20 tasks each; higher is better. Source: arxiv.org. Saturation forecast: Around January 2027. 7 models tracked.

Top models

#ModelScoreOverall rank
1Claude Opus 4.667.5#60
2Claude Sonnet 4.663#85
3Claude Sonnet 4.561.5#138
4GPT-5.258.5#105
5Gemini 3.1 Pro (Preview)56#54
6Gemini 2.0 Flash48#331
7GPT-4o41.5#333

No result here: #3 Claude Opus 5.5, #5 GPT-6 Astra, #8 Claude Fable 5.1.

Interactive version: theaggregate.ai/benchmark?slug=scidesignbench-optimization-20-turn-feedback · How It Works · Data refreshed daily, snapshot 2026-10-11.