ChatGPT
Also called: OpenAI ChatGPT, GPT
ChatGPT is a generative AI chatbot from OpenAI, launched in November 2022, that answers questions in plain conversation using its GPT large language models. With its built-in web search, it can also pull live information from the internet and cite the pages it draws from.
How it works, and why SEO now cares
OpenAI released ChatGPT on November 30, 2022. The first version was fine-tuned from GPT-3.5 and optimized for dialogue with reinforcement learning from human feedback (RLHF), which is why it can handle follow-up questions, admit mistakes, and decline some requests. Newer versions run on later models in the GPT family, including GPT-4o and the GPT-5 series.
Two shifts pulled ChatGPT into SEO’s orbit. First, scale: OpenAI reported roughly 900 million weekly active users by February 2026, so many people now open a chat box before they open a search page. Second, ChatGPT Search. Rolled out between late 2024 and early 2025, it lets ChatGPT query the live web and answer with links to the sources it used. That turned a closed text generator into a discovery surface that hands out brand mentions and referral clicks.
For a business the question is blunt: when someone asks ChatGPT about your category, does it cite your page or a competitor’s? ChatGPT reads and summarizes web content, so clear structure, direct answers, and real topical authority raise your odds of being the source it quotes.
Example prompt: best project management tool for small agencies. ChatGPT may name three or four products with links. Being one of those named options is the new version of ranking on page one.
How it affects your traffic
Ranking on Google no longer captures every buyer. If ChatGPT answers a prospect's question and never names you, that decision gets made without your site in the room. Our AI SEO service works to make you the source ChatGPT cites, through clean structure, quotable answers, and the authority signals these models trust, and it tracks where you show up in AI answers so you can see the shift. As more research starts inside ChatGPT, being uncited there is lost pipeline you never see in your analytics.
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