Baidu Says Its Search Engine Now Improves Itself
Baidu held a product upgrade briefing in Beijing on October 30, announcing four AI changes to its flagship Baidu app and a claim that has set the Chinese tech industry talking: its search engine has achieved recursive self-evolution. The phrase suggests the search system can now improve its own processes in a loop, though Baidu did not publish technical details on how far that self-improvement extends.
The most concrete announcement was pricing. Baidu upgraded its search AI API and offered a promotional rate as low as 4.9 yuan per thousand calls, which the company says is cheaper than DeepSeek’s search API. The move positions Baidu’s search infrastructure as a commodity input for developers building AI applications, rather than only a consumer product.
The other upgrades cluster around the parts of the app users actually touch. Baidu is revamping the search box, adding AI-powered camera features, introducing GUI visualization and rolling out AI interactive applications. Together they point to a search experience that answers questions, reads images and runs small tasks inside the app, rather than returning a list of links.
The timing matters. Baidu was China’s dominant search company for two decades, but its core advertising business has been pressured as users move to short-video platforms and AI chatbots. Its early lead in large language models, through the Ernie family, has been contested by DeepSeek, Alibaba and ByteDance, which have released models at aggressive prices or as open source.
Recursive self-evolution is a loaded term. In AI research it usually describes systems that generate training data or improve components without direct human input, a direction Chinese labs have pursued under the label RSI, or AI making AI. Baidu did not say whether its search system retrains its own models, adjusts ranking, or something narrower.
What is clear is the commercial logic. By pricing search API access below DeepSeek, Baidu is competing for developers who need retrieval to ground AI answers in current web information. Search results are a key ingredient for AI agents, and whoever supplies that layer at scale can capture a slice of a fast-growing market.
The event also included AI interactive applications, which let users complete tasks inside the search app through conversational prompts. The company framed the upgrades as a single package, but the API price is the number rivals will study most closely.
For global readers, the takeaway is that China’s AI competition is moving from model benchmarks to distribution and price. Baidu’s app reaches hundreds of millions of users, and its willingness to sell search access cheaply could pressure other providers. Whether recursive self-evolution is a real technical milestone or a marketing frame will depend on what Baidu publishes next.