Key Highlights

● Total revenue was RMB31.3 billion, down 4% year on year.

● Baidu Core AI-powered Business revenue rose 25% to RMB12.5 billion.

● Online marketing services revenue fell 19% to RMB13.1 billion.

● Capital expenditure of RMB11.4 billion left free cash flow at negative RMB7.95 billion.

Why the results matter

Baidu, Inc. (NASDAQ:BIDU) announced on 18 August 2026 that total revenue for the second quarter was RMB31.3 billion (US$4.62 billion), down 4% year on year, even as its AI-related businesses grew strongly. The quarter illustrates a company in transition, with a legacy online advertising business under pressure and heavy spending on artificial intelligence infrastructure.

Business and sector

Baidu is best known in China for its search engine and online marketing services, and it has broadened into cloud computing, AI models and applications, and autonomous driving through its Apollo Go robotaxi service. The company now reports a Baidu Core AI-powered Business line alongside online marketing services. Its sector is shaped by intense Chinese competition in generative AI and by large capital commitments to computing capacity.

Chief Executive Officer Robin Li acknowledged that "our online marketing business remains under pressure", while pointing to growing momentum in the core AI-powered business. Chief Financial Officer Haijian He said the company remains "firmly committed to investing in AI as the core driver of Baidu's long-term growth."

Latest reported results

Baidu Core AI-powered Business revenue was RMB12.5 billion, up 25% year on year but down 8% from the previous quarter, and the company said it accounted for 50% of Baidu General Business revenue. Online marketing services revenue was RMB13.1 billion, down 19% year on year and up 4% quarter on quarter. AI Cloud Infra revenue was RMB7.3 billion, up 50%, with GPU Cloud revenue rising 283%.

Operating income was RMB3.0 billion (US$446 million), a margin of 10%. Net income attributable to Baidu was RMB2.3 billion (US$342 million), while non-GAAP net income attributable to Baidu was RMB2.6 billion (US$379 million).

Financial performance and industry context

Cash flow reflected the investment cycle. Operating cash flow was RMB3.4 billion, but capital expenditure was RMB11.4 billion, leaving negative free cash flow of RMB7.95 billion (US$1.17 billion). The scale of that outflow relative to operating profit shows how capital-intensive the build-out of AI computing capacity has become, and it places greater emphasis on how effectively new capacity is converted into paying cloud customers.

For Apollo Go, the release reported operations in 28 cities, with more than 350 million autonomous kilometres in total and more than 240 million fully driverless kilometres. The release did not include a ride count for the quarter, so commercial scale cannot be compared with earlier periods.

Industry context is also relevant. Chinese technology groups are competing to supply AI models, applications and cloud computing. Baidu's results show two sides of that competition: strong growth in AI-related lines, set against a double-digit fall in online marketing revenue, which management itself described as under pressure. The 283% rise in GPU Cloud revenue should not be read as a guide to overall cloud infrastructure growth, which the company put at 50% year on year for the quarter.

Risks and uncertainties

The main uncertainty is whether growth in AI cloud and applications can offset the decline in advertising, which remains a large part of the revenue base. The sequential fall in core AI-powered revenue indicates that growth may not be linear. Negative free cash flow could limit financial flexibility if capital spending remains elevated, and returns on that spending depend on demand and on the availability of advanced computing hardware, which can be affected by trade controls. Autonomous driving faces regulatory, safety and cost challenges in each market in which it operates. Currency translation also affects the dollar figures presented.

AI spending against advertising decline

Readers should watch the third-quarter announcement for the direction of online marketing revenue, whether AI Cloud Infra growth remains near the 50% recorded in the second quarter, the level of capital expenditure and free cash flow, and further disclosure on Apollo Go operations.