Every week someone posts a new leaderboard. One model solved a maths problem nobody had asked it to solve. Another built an app in an afternoon. Most people in Hong Kong will never notice, and not only because they are busy.
Two September launches matter more here than any leaderboard. On 11 September Meta AI officially arrived in Hong Kong as an app and on the web, with WhatsApp and the rest of Meta's apps to follow. It understands Cantonese. Three days later Apple released iOS 27 with Siri AI, a rebuilt assistant that can search your messages and email and act inside your apps. For now it speaks English only.
Neither is the most capable AI in the world. In Hong Kong that matters less than you would think.
The AI Hong Kong does not officially get
ChatGPT and Claude do not officially serve Hong Kong. Most people who use them here reach them through third-party apps such as Poe or Perplexity, often on a paid plan. The agent tools the leaderboards are really about sit further away still. Getting to them tends to involve a VPN, an overseas card and a good deal of patience.
The gap keeps growing. On 29 September OpenAI added Pages to ChatGPT, a shared document editor in which ChatGPT drafts and edits alongside you and your colleagues. It is aimed squarely at Google Docs, Word and Notion, and comes with the paid Pro, Business and Enterprise plans. Like the rest of ChatGPT, it is not officially offered here.
Some people put up with all that, usually the ones who write about AI on LinkedIn. Most people will not. So for most people in Hong Kong, the best AI is simply the most convenient one.
The WhatsApp lesson
Hong Kong has run this experiment before. In 2025 Perplexity put an assistant on WhatsApp. You messaged it the way you would message a friend, and it answered in seconds. For a while it was the AI a lot of people here actually used, mostly because it sat where they already were.
Then WhatsApp changed its rules. From 15 January 2026 general-purpose AI chatbots were no longer allowed on its business platform, and Perplexity's number went quiet along with ChatGPT's. People went looking for something else.
Eight months later Meta AI arrives, speaking Cantonese, with WhatsApp next on its list. Meta did not win the chatbot race in Hong Kong. It cleared the shelf, then stocked it with its own product.
Two layers already in your pocket
The first layer is the phone itself: Siri AI on the iPhone, and Gemini on Android, where Google is replacing Assistant this year. Gemini will already read your Gmail and Photos if you let it.
The second layer is the chat app you open more than anything else. In Hong Kong that is WhatsApp, which here is less an app than a utility. If you do business across the border, it is also WeChat, where Tencent has put its own assistant, Yuanbao.
You do not download any of them. They are just there, a few rows below your friends.
The shampoo problem
Suppose a friend mentioned a shampoo in a message last month. You did not reply and you did not buy it. Today you ask your phone which shampoo is worth trying.
An assistant that can read your messages knows what your friend said. Does her shampoo move up the list? I do not know if it works like that, and nobody outside Apple or Google does either. These assistants are being sold on one promise: they know your life, so their answers fit it. The most persuasive thing in anyone's life has always been a friend's recommendation, so I would be surprised if it counted for nothing.
Word of mouth used to disappear once it was said. Now it sits in a searchable archive, and the assistant reading that archive is the same one your customer asks at the moment they decide.
What you cannot track, and cannot buy
Marketers have a name for sharing that happens where analytics cannot see: dark social. In a city that runs on WhatsApp groups, that is where most sharing already happens. The new part is that it now gets replayed. Someone recommends you in a private chat, someone else decides in an assistant, and nothing in between leaves a click or a referrer. Your attribution report will file it under direct traffic and move on.
You cannot buy your way in either, at least not where it matters. The answer engines have started selling space. Google sells ads beside its AI answers in search. Since February OpenAI has shown ads in ChatGPT, labelled as sponsored and, it says, kept separate from the answer. Hong Kong is not on its list of markets yet. So far, none of them sells a place inside what your phone knows about you.
Meta comes closest. Since December 2025 it has used people's conversations with Meta AI to decide which ads they see. It says it cannot read your WhatsApp chats, which are encrypted end to end, and that Meta AI only sees what you choose to send it. You may take that at whatever value you like. Either way, nobody will sell you a friend's recommendation, even if Meta is happy to use what you tell its assistant to sell you something else.
What mobile AEO means in Hong Kong
Answer engine optimisation was built for chatbots reading the open web. Phones add a layer it was not designed for, and Hong Kong adds a second language on top.
Start with a ten-minute test. Ask Siri, in English, the question your customers ask about your category. Ask Meta AI the same question in Cantonese. Write down which names come back each time and where each assistant says it found them. If you are missing from either answer, the sources it lists show you where to start.
What you find will point to two jobs.
The public one is unglamorous. When an assistant needs a fact it does not have, like opening hours, prices, stock or reviews, it still goes looking outside the phone. Map listings, review platforms, business profiles and third-party records do more of that work than most brand campaigns, and they need to say the same thing in English and Chinese. Most companies have not checked theirs in a year.
The private one cannot be faked. The assistant will surface what people you know have said, and you cannot write that for them. What you can do is give them a reason to mention you and make it easy. AI can help with both. It can write the message, but it cannot be the friend.
In Hong Kong the most persuasive step in a purchase has always happened in a WhatsApp chat the brand never sees. What has changed is that a machine now plays it back at the moment of decision. The companies that do well will still be the ones people talk about. The difference is that the talking is now machine-readable.
We check what these assistants say about a company, in both languages. If you would like to know what they say about yours, ask.
Jonathan Wu is the founder of Club Camelots.