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BEIJING — Electric carmakers in China are layering on more of the same artificial intelligence features as they try to survive a prolonged price war in the world’s largest auto market.

The competition has shifted over the last few years, from extending battery range to rolling out driver-assist systems and using more powerful automotive chips. Now, automakers are focusing on a suite of in-car AI features.

More than 50 car brands now use ByteDance’s Doubao AI model, the company’s cloud platform Volcano Engine announced last Friday at the Beijing auto show, where the tech unit had a booth next to robotaxi company Pony.ai.

That means Doubao is in 145 car models and over 7 million vehicles, Volcano Engine said. Besides domestic vehicles, Doubao AI has also been integrated in new foreign-branded models, such as the all-electric Mercedes-Benz