PCFBench - Product Decomposition: leaderboard

PCFBench (2026) is a diagnostic benchmark for product carbon footprint estimation, carving the workflow into independently scored tasks over 614 expert-labelled items. Bill-of-materials F1 for decomposing products into constituent materials, in percent; higher is better.

Metric: Bill-of-materials F1 (%; decomposing each of 94 EPD products into constituent materials; from PCFBench, a product-carbon-footprint benchmark of 614 expert-labelled items; scored deterministically or by a temperature-0 judge; higher is better). Source: arxiv.org. Saturation forecast: Around February 2027. 8 models tracked.

Top models

#ModelScoreOverall rank
1Gemini 3 Flash80#159
2Claude Opus 4.678#100
3Gemini 3.1 Pro (Preview)74#91
4Claude Sonnet 4.674#158
5DeepSeek V3.274#403
6GPT-5.573#48
7Claude Haiku 4.573#568
8GPT-5.4 Mini70#389

No result here: #1 Claude Fable 5.2, #2 Gemini 4 Carbon, #5 Claude Opus 5.5.

Interactive version: theaggregate.ai/benchmark?slug=pcfbench-product-decomposition · How It Works · Data refreshed daily, snapshot 2026-11-12.