Wenxinyiyan 4.0 Outperforms ChatGPT 4.0 in Chinese Language Tests

Wenxinyiyan 4.0, Baidu's latest iteration of its AI model, has made a significant leap forward, outperforming ChatGPT 4.0 in understanding and generating the Chinese language.

Wenxinyiyan 4.0, Baidu's latest iteration of its AI model, has made a significant leap forward, outperforming ChatGPT 4.0 in understanding and generating the Chinese language.

In a recent interview on CCTV’s “Dialogue to Start the New Year” program, Baidu’s founder Robin Li unveiled a groundbreaking achievement in AI language technology.

Wenxinyiyan 4.0, Baidu’s latest iteration of its AI model, has made a significant leap forward, outperforming ChatGPT 4.0 in understanding and generating the Chinese language.

Robin Li highlighted a distinctive feature of Wenxinyiyan 4.0—its ability to craft acrostic poems, a task that proves challenging for ChatGPT 4.0, especially when adhering to intricate rules like those in the traditional “Qinyuanchun” word card.

This exemplifies the model’s superior grasp of the Chinese language’s nuances, a feat not just of linguistic prowess but of cultural depth as well.

Despite its unparalleled performance in Chinese, Wenxinyiyan 4.0 faces challenges in English due to less training data compared to ChatGPT.

However, Robin Li remains optimistic, planning to bridge this gap and change the public’s perception within a year. His confidence stems from the professional version of Wenxinyiyan 4.0, which he believes will showcase the model’s capabilities against ChatGPT 4.0.

Wenxinyiyan 4.0’s advancements are not limited to linguistic abilities. The model has seen significant improvements in understanding, generation, logic, and memory, with logic and memory capabilities improving by nearly three and more than two times, respectively.

These enhancements have propelled Wenxinyiyan to the forefront of AI technology, demonstrating Baidu’s commitment to pushing the boundaries of what AI can achieve.

Since its public release on August 31, 2023, Wenxinyiyan has amassed over 100 million users, a testament to its impact and the potential it holds for future developments in AI.

Baidu’s breakthrough with Wenxinyiyan 4.0 not only advances AI technology but also integrates China’s rich cultural heritage, paving the way for more nuanced and sophisticated AI applications.

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Dan Taylor is the founder and editor of International Search Insights (ISI), the publication behind ReadIsi, and a Partner and Head of Innovation (Search & AI) at SALT.agency. He has worked in search for more than a decade, in-house and agency-side, and is regarded as one of the West’s leading voices on search engines beyond Google, including Yandex, Baidu, Naver and Cốc Cốc. On ReadIsi, Dan covers the engines and AI answer platforms that English-language coverage tends to miss: Baidu and ERNIE, Yandex and Alice AI, Naver, Cốc Cốc, Shenma, Sogou, WeChat and Weibo search, plus DeepSeek and Alibaba’s Qwen. He also keeps dated records of documented changes, such as the Yandex, Baidu and Naver algorithm update histories and the DeepSeek, ERNIE and Qwen model update histories. His approach is to take learnings from global search engines and apply logic with a high evidence threshold. A claim needs a source, patterns seen in one market are treated as a hypothesis until they are checked in another, and where the evidence is thin he says so. For brands, that means advice built on what can be shown, with measurement that separates being cited from being chosen. Dan is credited with coining the term “edge SEO” and won the inaugural TechSEO Boost research competition in 2018 for his work on CDN and edge changes for SEO. In 2026 he was credited with coining “Infinite Tail” to describe how keyword research is changing with AI search. He is the author of AI Search Marketing For The Travel Sector, writes for Search Engine Journal, Search Engine Land and Travel Marketing Guy, and has advised technology, SaaS, travel and enterprise ecommerce brands, including Cloudflare, GitLab and Airbnb. He has given multiple talks and panels at the International Search Summit in Barcelona, and has also spoken at Optimization Moscow, brightonSEO, Google Search Central Live Deep Dive Asia in Bangkok, Athens SEO and the Asia SEO Virtual Summit 2026, where his talk looked at how Baidu, Naver, DeepSeek, Tencent, Cốc Cốc and Yandex built their own AI answers.