PCFBench - Material Rate Extraction: leaderboard

PCFBench (2026) is a diagnostic benchmark for product carbon footprint estimation, carving the workflow into independently scored tasks over 614 expert-labelled items. Claim F1 for extracting material-emission-rate claims with evidence from source PDFs, in percent; higher is better.

Metric: Claim F1 (%; extracting material-emission-rate claims with evidence from source PDFs, 22 questions and 55 claims; 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: Not forecast. 8 models tracked.

Top models

#ModelScoreOverall rank
1DeepSeek V3.251#403
2Gemini 3 Flash47#159
3Gemini 3.1 Pro (Preview)44#91
4Claude Sonnet 4.639#158
5Claude Haiku 4.536#568
6GPT-5.531#48
7GPT-5.4 Mini29#389
8Claude Opus 4.627#100

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

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