Alimama Tech

Jan 7, 2026 · Artificial Intelligence

How Bid2X Revolutionizes Online Ad Bidding with a Universal Foundation Model

Bid2X introduces a bidding‑environment foundation model that unifies heterogeneous ad‑bidding data, leverages variable and time attention mechanisms, handles zero‑inflated distributions, and demonstrates superior offline performance across eight large‑scale datasets and significant online gains in GMV and ROI when deployed on a major e‑commerce platform.