BIDU vs RDDT: How Baidu and Reddit Compare (2026)

Same yardstick, side by side (as of July 2026). Valuation lined up like this is most meaningful for two names in the same corner of the market, which these are. Figures are approximate; verify before investing.

Reading it: BIDU is the cheaper of the two on forward earnings, but cheaper is not the same as better. Pair the valuation with growth (how far the forward P/E sits below the trailing P/E) and risk (beta) before you decide.

The metrics above tell you which is the marginally better business. The bigger risk for most people is not picking the slightly worse stock, it is over-concentrating. BIDU and RDDT share themes, so owning both, or adding either to what you already hold, can quietly push a large share of your portfolio into one bet.

This is the part a generic comparison page cannot answer, because it depends on what you own. Connect your brokerage and Walnut shows your real, combined BIDU and RDDT exposure, flags overlap with your existing positions, and tells you if adding one would tip you past a concentration you are comfortable with, read-only by default, with your login staying at your broker. Walnut is not an investment adviser.

Baidu operates China's dominant search engine and a growing stack of AI businesses, including the ERNIE family of large language models, the AI Cloud platform, and Apollo Go, one of the world's largest autonomous ride-hailing services. The company earns most revenue from online marketing (search and feed advertising) but has been shifting its mix toward AI Cloud infrastructure and driverless mobility. As of Q1 2026, its core AI-powered business passed half of general business revenue for the first time, a signal that AI has become the primary growth engine even as the older ad business contracts.

Full BIDU guide

Reddit operates one of the largest social platforms on the internet, a network of topic-based communities called subreddits where users post, comment, and vote on content across hundreds of thousands of interest areas. The company makes most of its money from advertising sold against this engagement, and increasingly from data-licensing agreements that let AI developers train and ground models on Reddit's vast corpus of human conversation. Advertising made up the large majority of Q1 2026 revenue (roughly $625 million of about $663 million), while data licensing, anchored by deals reported at about $60 million a year with Google and about $70 million with OpenAI, adds a higher-margin stream worth roughly 10% of revenue.

Full RDDT guide

Both fit overlapping themes, but they are not interchangeable. The useful comparison is which set of drivers and risks you want exposure to.

• BIDU drivers: AI Cloud momentum; Apollo Go robotaxi scale.
• RDDT drivers: Advertising still scaling fast; AI data licensing as a second engine.

A faster-growing, richer-valued name usually swings harder, so it suits a longer horizon and a higher tolerance for volatility; a steadier, more cash-generative business suits a more conservative or income-minded investor. The honest test is which set of risks you could hold through a drawdown: The core advertising business is in structural decline, with ad revenue falling sharply as AI answers cut into search clicks and competitors capture ad budgets. For RDDT, reddit depends heavily on Google for discovery, with search reportedly driving a large share of traffic, so AI Overviews and algorithm changes can compress referrals and ad reach.

Pick BIDU if you believe its drivers more; RDDT if you believe its. Many investors hold both, but since they share themes, that is a concentrated bet, not diversification. Decide deliberately and check overlap. For the full detail, see the BIDU and RDDT guides.

BIDU. Total Q1 2026 revenue slipped about 2% quarter over quarter as advertising weakness offset fast AI growth, while core AI-powered revenue rose roughly 49% year over year to about RMB13.6 billion. Trailing GAAP earnings are very low, which inflates the trailing P/E, so the forward multiple is the more useful lens on the transition. Figures are approximate and as of May 2026.

RDDT. At roughly $167 a share and about $31 billion in market cap, Reddit trades at a price-to-sales ratio in the low teens and a trailing P/E in the mid-40s, both rich relative to most advertising peers and pricing in continued rapid growth. The premium is supported by about 69% revenue growth and a swing to solid profitability, but it also means disappointments can hit the stock hard, as the slide from a 2025 high near $283 illustrates. The numbers reflect company-reported results through Q1 2026 and market data as of the asOf date.

Headline figures (approximate, MAY 2026): BIDU shows revenue (ttm) ~$18.7 billion, q1 2026 revenue ~RMB32.1 billion, q1 2026 net income (attributable) ~RMB3.4 billion (~$499 million), market cap ~$46 billion; RDDT shows revenue (ttm) ~$2.5 billion, revenue growth (q1 2026 yoy) ~69%, net income (q1 2026) ~$204 million, market cap ~$31 billion.

BIDU and RDDT are related but distinct: same themes, different businesses and risks. Neither wins in the abstract; the right pick is whichever thesis you actually believe, sized so you are not over-concentrated in one theme. Walnut can show your combined BIDU and RDDT exposure against your real portfolio. It is not an investment adviser.