When Chinese AI startup DeepSeek became a global sensation in January, it not only shocked Silicon Valley but also startled ByteDance, TikTok’s parent company. The Chinese tech giant had already launched Doubao, its own flagship AI assistant app with tens of millions of users. But when DeepSeek became the best-known Chinese AI company overnight, no one was talking about Doubao anymore.

Now, ByteDance has gotten its revenge. By August, Doubao regained the throne as the most popular AI app in China with over 157 million monthly active users, according to QuestMobile , a Chinese data intelligence provider. DeepSeek, with 143 million monthly active users, slipped to second place. The same month, venture capital firm a16z also ranked Doubao as the fourth-most-popular generative AI app

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