On December 9, at the 2025 Horizon Ecological Conference, Su Qing, vice president and chief architect of Horizon, said that with the maturity of urban assisted driving systems such as FSD and HSD, the “two worlds” of L2 and L4, which were clearly distinguished in the past, have now been opened up. As a result, the industry has developed a clear path for AD industry development: after experiencing a key node for large-scale popularization of L2 systems in urban areas, it will later experience L3 as a short transition, and eventually lead to L4, which can be deployed at a very low cost and can be rapidly expanded in the form of passenger cars and robotaxis. This continuous and achievable path is likely to be the core narrative for the future development of the AD industry.

On December 9, at the 2025 Horizon Ecological Conference, Su Qing, vice president and chief architect of Horizon, said that with the maturity of urban assisted driving systems such as FSD and HSD, the “two worlds” of L2 and L4, which were clearly distinguished in the past, have now been opened up. As a result, the industry has developed a clear path for AD industry development: after experiencing a key node for large-scale popularization of L2 systems in urban areas, it will later experience L3 as a short transition, and eventually lead to L4, which can be deployed at a very low cost and can be rapidly expanded in the form of passenger cars and robotaxis. This continuous and achievable path is likely to be the core narrative for the future development of the AD industry.