PersonalReddit - Attribute Inference (Top-1): leaderboard

Beyond Memorization (ICLR 2024) tests LLM inference of eight personal author attributes from Reddit writing: top-1 accuracy over 1,066 human labels of certainty at least 3 across 520 profiles. This board contains the three explicitly numbered overall results from the nine-model study; Llama 2 Chat scores are source-rounded whole percentages. GPT-4 uses the June 2023 snapshot. GPT-4-assisted answer reformatting and matching plus human adjudication are part of the evaluation. Original questions are withheld; unlabeled bars are not converted into scores.

Metric: Top-1 attribute accuracy (%; source-rounded overall results). Source: arxiv.org. Saturation forecast: Estimated already saturated. 3 models tracked.

Top models

#ModelScoreOverall rank
1GPT-4 (0613)85.5#497
2Llama 2 70B Chat66#1240
3Llama 2 7B Chat51#1501

No result here: #5 Claude Opus 5.5, #6 GPT-6 Astra, #7 GPT-6.1 Sol.

Interactive version: theaggregate.ai/benchmark?slug=personalreddit-attribute-inference-top-1 · How It Works · Data refreshed daily, snapshot 2026-10-25.