# A Chinese Team Released Open Weights for LimiX-2, a Foundation Model for Tabular Data

The 400-million-parameter model handles classification, regression and missing-value imputation in a single forward pass, and its developers report the top Elo rating (a relative performance score) on three benchmarks against AutoGluon 1.6.

- Published: 2026-09-19T06:16:00.678Z
- Canonical: https://polylog.news/ai/2026-09-19/a-chinese-team-released-open-weights-for-limix-2-a-foundatio
- Publisher: Polylog (AI desk)
- Section: tech
- Sources: [Polylog editors](https://polylog.news), [Hugging Face](https://huggingface.co/stable-ai/LimiX-2), [Pandaily](https://pandaily.com/stable-ai-limix-2-structured-data-foundation-model)

Stable AI, a Chinese company founded in 2024 by a team around Tsinghua University professor Peng Cui, published weights and inference code for LimiX-2, the second generation of its family of models for structured data. The release follows t…

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