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Does ChatGPT Use Google or Bing Search Results?

If you are skim reading
Straight answer: ChatGPT's web search runs on Bing's index, not Google's, through OpenAI's partnership with Microsoft, plus licensed content deals with news publishers and its own retrieval layer on top.

Straight answer: ChatGPT's web search runs on Bing's index, not Google's, through OpenAI's partnership with Microsoft, plus licensed content deals with news publishers and its own retrieval layer on top. That means optimising for Google rankings does not automatically get you seen by ChatGPT, and the two systems reward different things. If you want AI tools to find and cite your business, you need to understand that gap, not assume it works like a normal search engine.

Who powers ChatGPT's search feature

When ChatGPT needs to answer a question with current information, it doesn't quietly open a Google tab. OpenAI built its search and browsing capability on top of Microsoft's Bing index, which makes sense given Microsoft's multi-billion dollar investment in OpenAI and the deep technical integration between the two companies. That partnership has been public since ChatGPT's browsing tool first launched and carried through into the dedicated search feature rolled out from late 2024 onward.

On top of Bing, OpenAI has stacked its own layer. It has signed content licensing deals with publishers including Axel Springer, Associated Press, News Corp, Reuters and The Atlantic, which means some answers are pulling from directly licensed, structured content rather than a raw web crawl. There's also a ranking and retrieval system that decides which sources get pulled into an answer and which get ignored entirely, and that system does not behave like a search engine results page.

So the honest picture is this: Bing supplies a lot of the raw web index, licensed publishers supply trusted real-time content for certain topics, and OpenAI's own model decides what makes it into your answer and how it's phrased. Google is not in that stack at all, which surprises a lot of business owners who have spent years assuming "ranking" means one thing.

So why does ChatGPT sometimes sound like it knows Google rankings?

Because a page that ranks well on Google often has the qualities that also help it get picked up by Bing and by ChatGPT's retrieval layer: clear structure, fast load times, decent backlinks, and content that directly answers a question. Google and Bing's algorithms aren't identical but they share enough DNA that a page optimised sensibly for one usually does reasonably on the other.

But "reasonably on Bing" is not the same as "cited by ChatGPT." ChatGPT is summarising and synthesising, not listing ten blue links. It might read five pages, including a couple that rank on page two of Bing, and quote the one that answered the question most clearly and concisely, regardless of its domain authority. I have seen plenty of writing online, including some by people who should know better, that treats "AI search" as a rebrand of classic SEO. It isn't. It's a different game with some overlapping rules.

A worked example: the plumber who ranks well but gets skipped

Say you run a plumbing business in Leeds with a website that ranks third on Google for "emergency plumber Leeds." Good position, built over years with local citations, reviews and backlinks. Now someone asks ChatGPT, "who's a good emergency plumber in Leeds who can come out tonight?"

ChatGPT doesn't have a live map of search rankings to consult. It pulls from whatever Bing's index and any browsing tools surface at that moment, and it leans heavily toward pages that answer the exact question in plain language: service area, hours, call-out fee, response time, written clearly near the top of the page. If your competitor at position seven on Google has a page that states "24/7 emergency call-outs across Leeds, average arrival time 45 minutes, no call-out fee before 10pm" in the first two paragraphs, and your page buries that under three paragraphs of brand history, the competitor is more likely to get quoted or recommended, even with a weaker Google position.

This is exactly the kind of structural thinking that matters when you're writing site content or working from ChatGPT prompts for plumbers and electricians to draft service pages. Write for the question someone would ask an AI assistant, not just the keyword you'd type into Google.

Step-by-step: how to check what ChatGPT sees about your business

You don't need to guess. Run this five-minute test:

  • Step 1: Open ChatGPT with web browsing or search enabled and ask a question a real customer would ask, such as "best [your service] in [your town]" or "who should I use for [specific job]."
  • Step 2: Note whether your business appears at all, and if it does, read exactly what ChatGPT says about you. Is it accurate? Outdated? Pulled from an old directory listing?
  • Step 3: Ask a follow-up, "where did you get that information," and ChatGPT will usually name or link the source page it used.
  • Step 4: Open that source page yourself. If it's a three-year-old directory listing with your old phone number, that's your problem, not a ChatGPT problem.
  • Step 5: Repeat the same query in Bing's own chat-style search and in a plain Google search, and compare the three results side by side.

Doing this once a quarter tells you far more about your real-world visibility than checking your Google rank position ever will.

The uncomfortable bit nobody wants to say out loud

Here's what's inconvenient: a huge amount of "AI SEO" advice being sold right now is Google SEO advice with a new label stuck on it. Backlinks, keyword density, meta descriptions, that's twenty years of Google thinking repackaged as something new. Some of it still helps because the systems overlap, but a fair chunk of it is irrelevant to how ChatGPT selects and phrases an answer, which depends more on clarity, direct question-answering, structured data, and whether a licensed publisher or trusted source has already said the same thing more clearly than you have.

The businesses getting cited well by ChatGPT right now are mostly not the ones with the best backlink profiles. They're the ones whose content reads like a direct, specific answer to a real question, written in plain sentences with numbers, locations and specifics included, rather than content written to satisfy a keyword tool. That's an uncomfortable truth for an SEO industry that has built entire pricing models around backlink counts and keyword density scores that barely register with how large language models pick sources.

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What this means if you sell products, not services

If you run an ecommerce store, the same logic applies to product queries. Someone asking ChatGPT "what's a good waterproof hiking jacket under £150" is going to get an answer built from pages that clearly state price, material, waterproof rating and sizing near the top of the description, not pages buried in brand storytelling. If you're rewriting listings, this is where tools built around ChatGPT prompts for ecommerce product descriptions earn their keep, because they push you to lead with the concrete facts a retrieval system can lift and quote.

The same thinking applies if you sell through Etsy or a similar marketplace. A listing written to satisfy a marketplace's internal search algorithm isn't automatically written in a way a general AI assistant will want to quote when someone asks it for gift ideas. Running your listings through ChatGPT prompts for Etsy sellers with an eye on plain, specific descriptions rather than keyword stuffing tends to help on both fronts at once.

Where students and researchers fit into this

It's worth saying that ChatGPT's search behaviour differs by task, too. A student asking for help structuring an essay isn't triggering the same browsing and retrieval process as someone asking for a plumber or a product. Research-style queries pull more on the model's training data and reasoning, with web search layered in only when it needs current facts, which is a different weighting again. If you're using ChatGPT for coursework, the ChatGPT prompts for students built around study and revision tasks are aimed at that reasoning mode, not the search mode, and it's worth knowing the difference when you're checking facts it gives you.

Does this mean Google doesn't matter any more

No, and anyone telling you Google is finished is selling something. Google still sends the overwhelming majority of organic traffic to most small business websites, and that isn't changing in 2026 just because AI chat tools are growing. What's changing is that you now have a second, separate visibility channel running on different rules, and ignoring it because "Google's the one that pays the bills" is short-sighted. The businesses winning both are the ones writing content that is useful and specific enough to satisfy a human skimming Google and an AI model summarising an answer, at the same time.

It's also worth remembering ChatGPT isn't the only assistant your customers might be asking. If you want a sense of how differently these tools behave, it's worth comparing a few of the best free AI chat tools like ChatGPT, since Gemini leans on Google's own index, Copilot leans harder into Bing, and each one will surface your business, or fail to, in its own way.

If you create any kind of audio content, the same logic about structure applies there too. People increasingly ask AI assistants to summarise or recommend podcasts on a topic, and clean, well-labelled ChatGPT prompts for podcast show notes that spell out exactly what's covered, with timestamps and names, give a retrieval system something concrete to grab onto. Vague, vibes-only show notes give it nothing to quote.

Frequently asked questions

Is ChatGPT search the same as Bing?

No. ChatGPT's search feature is built on top of Bing's web index through OpenAI's partnership with Microsoft, but it adds its own retrieval and ranking layer plus licensed publisher content, so the results and the way they're summarised are noticeably different from typing a query directly into Bing.

Can I make my website show up in ChatGPT answers?

You can improve your odds by writing clear, specific pages that directly answer likely questions near the top, using structured headings, including concrete details like prices, locations and hours, and keeping the page accurate and up to date, since outdated pages get quoted with outdated facts.

Does ranking number one on Google mean ChatGPT will mention me?

Not necessarily. ChatGPT doesn't consult Google's rankings at all, and even on Bing's index a top ranking doesn't guarantee a citation, because the model is choosing based on how clearly a page answers the specific question asked, not its position on a results page.

Why does ChatGPT give outdated information about my business sometimes?

It's usually pulling from an older cached source such as a directory listing, a review site, or a news article that was never updated, so it's worth periodically asking ChatGPT directly what it knows about your business and tracing the source it names.

Published and maintained by the Lilach Bullock team, covering marketing, AI and business growth.
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