• SEO & Content Marketing

How To Do Keyword Research Using ChatGPT: 5 Free Methods

  • Brendan Aw
  • 9 min read
How To Do Keyword Research Using ChatGPT: 5 Free Methods


Keyword research has always been a crucial step in SEO, but finding the right words can feel like searching for a needle in a haystack.

ChatGPT makes this process way easier…

And it’s free.

This blog post will guide you through the simple steps of using ChatGPT to streamline your keyword research and improve your digital marketing strategy.

Ready to take your SEO game to another level?

Let's dive in.

Key Takeaways

  • ChatGPT can help you find many long-tail and LSI keyword ideas quickly.
  • It speeds up data analysis and cleaning.
  • Able to sort keywords into groups or expand on a list of seed words.
  • Learn from your overall SEO goals to tailor results

The Benefits of Using ChatGPT for Keyword Research

ChatGPT may be the base for most AI writing software, but that’s not all it does.

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It offers big wins in keyword research, providing an easy platform for brainstorming ideas. Its vast range of prompts and strategies ups your SEO game.

Here are some of the top benefits:

Quick and easy brainstorming of keyword ideas

ChatGPT makes brainstorming keyword ideas fast and simple. You just type in a topic or idea. The tool then gives you a list of words linked to that topic. It can even make new ideas for you to think about.

This helps marketers find the best keywords without wasting much time. The words it finds are related to your main word, making them relevant for search engines like Google.

Ability to generate long-tail keywords and LSI terms

ChatGPT can create long-tail keywords and LSI terms. Long-tail keywords have more words and are very clear. They have less competition than short ones. This makes it easier to reach a group who knows what they want.

ChatGPT also finds new long-tail and LSI keywords that you may not think of before this helps find other ways to say the same thing. With these new keyword ideas, your content will be set for smaller groups looking for something very specific, making your SEO job better.

Better SEO means more people see your work and come to you from search lists.

Assistance in identifying search intent and user personas

ChatGPT aids in finding out search intent and user personas. This tool can guess what your target people are looking for online. It uses language and search patterns to do this. You will find the best words to use with it.

These words draw your ideal users to your site.

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The tool also helps you think about new word ideas that match user personas. Ask ChatGPT a list of questions linked with these keyword ideas. The answers may help you get more related keywords or long-tail ones.

You then have a clear image of what terms might attract the right users.

Efficient keyword clustering and expansion

ChatGPT can be vital in keyword clustering and growth. This AI tool groups keywords that are like each other. It digs into a big list of keywords to find similar ones. This is called clustering, and it helps marketers to plan their work better.

Besides grouping, ChatGPT also expands your keyword ideas by adding more terms related to the seed words you input. In this way, your business does not miss any search terms users may use to find services or products like yours online.

The Step-by-Step Process of Keyword Research Using ChatGPT

Learn about generating fresh keyword ideas from seed words and delve into identifying long-tail keywords and LSI terms.

Explore ways to extract relevant keywords directly from content.

Understand how to classify these keywords based on user search intent for more effective SEO content campaigns.

1. Creating a comprehensive keyword strategy

First, think hard about your goals. Know what you want to do with your website, blog or any other type of online content e.g. online course. Next, turn on ChatGPT. Feed it words that match your goals and ideas. This will give you the best list of keywords for SEO work.

You also need to know who wants to read your stuff online. Figure out their age, interests, and problems they face each day so that you can help those people feel better or find solutions to their issues in life by using the right phrases and terms they would use when typing them into a search engine like Google or Bing themselves - these are called "keywords".

A good mix of common short words (called "seed or head keywords") and rare long words (termed "long-tail keywords") is often the key to an effective keyword strategy.

2. Generating new keyword ideas from seed words

Use ChatGPT to find new keywords.

Start with a seed word.

This keyword is usually between 1-2 words, extremely broad and highly-competitive.

Feed this seed word into ChatGPT.

Wait for the results. You will get many close words, or "keyword ideas".


From these, choose those that most fit your needs. These are now part of your larger keyword strategy.

Keep adding more seed words and repeating this process until you have a long list of strong keywords.

With this method, you can build an effective SEO plan rather quickly.

3. Finding long-tail keywords and LSI terms

ChatGPT can help you find long-tail keywords and LSI terms. The tool uses AI to look for these specific types of words.

Long-tail keywords are phrases that are not often used, but they can be very helpful for SEO.

They have fewer people searching for them, so there is less competition.

This makes it easier to rank higher in search results.

Here’s the prompt: I am writing an article on the ultimate link-building guide. Give me a list of Long-tail keywords and LSI terms I should cover in a FAQ section to answer the search intent the best.


These can either be included in the main sections or a FAQ section.

4. Extracting keywords from content

ChatGPT is a handy tool to pull out keywords from content.

You feed it text and watch as it lists the important words. It can scan blogs, articles, or web pages with speed.

It's like having an on-page SEO tool but free.

With this feature, you can also understand what on-page elements your competitors include for you to do the same.

Say I wanted to write an article about, “how to perform serp analysis.”

I’d copy the top article and throw it into ChatGPT to ask for:

  • LSI Terms
  • Entities
  • Other on-page elements

Here’s the prompt: Extract the LSI terms, entities, and other on-page elements from this article that is ranking for the keyword "how to perform serp analysis." {Insert article}



5. Classifying keywords based on search intent

ChatGPT can help sort keywords by search intent.

It looks at the reason why someone types a query into a search engine.

Some people want to find information, others want to buy something or go to a certain website.

For example, "buy shoes" is called a transactional keyword because it shows that the person wants to make a purchase.

On the other hand, "how to tie shoes" is an informational keyword since it shows they are seeking knowledge.

This process helps create SEO plans that meet user needs and lead to more site hits.

Advanced Techniques and Applications of ChatGPT for Keyword Research

This section delves into the advanced usage of ChatGPT for keyword research, showcasing how to conduct page-level keyword analysis, use APIs for efficient research, leverage custom-built tools using ChatGPT and implement regular expressions for precise searches.

Additionally, this part will demonstrate how you can incorporate social media and influencer insights in your overall keyword brainstorming strategy using ChatGPT.

1. Leveraging ChatGPT for keyword research APIs

You can use ChatGPT with keyword research APIs to find better keywords. This works well for small and big firms, ad agencies, and marketers in training.

With an API, you link ChatGPT to other tools you use.

It helps pull out useful data quickly. You get top-notch results without hard work or long hours.

Here's a brief step-by-step guide on leveraging ChatGPT for keyword research APIs:

  1. Identify your topic: Choose the main topic you want to focus on for your keyword research.
  2. Access the ChatGPT API: Ensure you have access to the ChatGPT API. OpenAI provides extensive documentation on using the API.
  3. Use specific prompts: Craft prompts to help ChatGPT generate relevant keyword ideas and suggestions.
  4. Combine with traditional keyword research tools: Use ChatGPT alongside traditional keyword research tools to enhance your results and gain a more comprehensive understanding of your target keywords.
  5. Analyze and refine results: Review the generated keyword ideas and suggestions, and refine them based on your SEO strategy and goals.
  6. Incorporate ChatGPT into your SEO processes: Develop a framework for using ChatGPT in your SEO processes, such as content creation, on-page optimization, and local SEO.

2. Building custom prompt templates using ChatGPT

You can build your own tools with ChatGPT. This can make keyword research a lot easier.

Here are some steps to do this:

  1. Identify a keyword research problem
  2. Go through the steps needed to solve this problem.
  3. Train ChatGPT to help with these steps and give context
  4. Tell ChatGPT to turn the whole conversation into a prompt template
  5. Test the tool many times to make sure it works well in other situations
  6. Make changes if needed.

3. Using regular expressions for precise keyword searches

You can use regular expressions to make your keyword search exact. Regular expressions, or 'regex', is a pattern of symbols and characters. It helps find the right words in big data sets.

For example, you might want to find all keywords with "dog" but not "hot dog". You would write a regex that rules out the words you don't want.

Here’s an overview:

  1. Craft a prompt: Create a prompt for ChatGPT to generate keyword ideas related to "dog". For example, "Generate a list of keywords related to dogs, excluding any keywords containing 'hot dog'."
  2. Use regex: In your code, use a regex pattern to filter out any keywords containing "hot dog". The regex pattern could look like this: ^(?!.*hot dog).dog.$. This pattern will match any string containing "dog" but not "hot dog."
  3. Process the response: Parse the response from ChatGPT and apply the regex pattern to filter out unwanted keywords.
  4. Refine the results: Review the generated keyword list and make any necessary adjustments to the regex pattern or the prompt to improve the results.
  5. Integrate with other tools: Combine the filtered keyword list with data from traditional keyword research tools like Google Keyword Planner, SEMRush, or Ahrefs to enhance the accuracy and relevance of the generated keywords

This method saves time and ensures you get precise results for your SEO plan.

Regular expressions may seem hard at first. But with practice, they become easy to use.

They help take ChatGPT's performance up a notch in your keyword research work.

4. Incorporating social media and influencer research in keyword brainstorming

Use social media to help find keywords. Look at what influencers and their audiences talk about.

This adds new ideas for keyword brainstorming. ChatGPT can sort these ideas into useful lists.

Here's an example of how to do this using ChatGPT:

  1. Identify relevant influencers: Find influencers in your niche with a significant following and engagement on social media platforms like Instagram, Twitter, or LinkedIn.
  2. Analyze their content: Examine the content these influencers share, including the keywords, hashtags, and topics they discuss.
  3. Generate a list of keywords and topics: Use the insights gathered from influencer content to create a list of potential keywords and topics for your own content strategy.
  4. Craft a prompt for ChatGPT: Create a prompt incorporating the gathered keywords and topics, asking ChatGPT to generate additional related keywords or content ideas. For example, "Generate a list of keywords and content ideas related to Marketing based on the popular topics discussed by influencers like Neil Patel, Brian Dean and Nathan Gotch."
  5. Process the response: Analyze the generated keywords and content ideas from ChatGPT, and refine them based on your target audience and SEO goals.
  6. Combine with other research methods: Integrate the insights from social media and influencer research with other content research methods, such as competitor analysis and keyword research tools, to create a comprehensive content strategy

It makes finding good search terms easy and quick.

Limitations of Using ChatGPT for Keyword Research

Despite the advantages, users need to understand the potential limitations of ChatGPT in keyword research.

It's vital to balance ChatGPT results with other keyword research tools for a comprehensive analysis.

In-depth scrutiny must be given to ensure the quality and relevance of generated keywords.

Adapting promptly to changes in search engine algorithms and trends is crucial.

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Here are some of the limitations:

  • Lack of SEO metrics: It does not provide SEO metrics like search volume, competition, or keyword difficulty, which are crucial for making informed decisions in keyword research.
  • Absence of real-time data: Without access to premium plugins, ChatGPT's knowledge is based on a fixed dataset and does not account for real-time trends or changes in search behavior.
  • Overreliance on prompts: Its effectiveness depends on the quality of the prompts provided. This may require significant trial and error to optimize.
  • Potential for inaccuracies: It may occasionally generate inaccurate or irrelevant keywords, so it's essential to verify the data and SEO metrics.


What is ChatGPT keyword research?

ChatGPT keyword research is a new way to find out what words people search for on the Internet using an AI tool called Chat GPT.

How do I use ChatGPT for my keyword research?

You ask ChatGPT to give you details about specific keywords. You feed it with a prompt and it returns data like search volume or how hard it will be to rank, which we call keyword difficulty.

Is doing keyword research with ChatGPT different from traditional ways?

Yes. With traditional methods you might use tools like SEMrush or Ahrefs to find good keywords to target in your piece of content, but with chatgpt you can get this info by just asking it.

Can all businesses make use of this SEO tool?

Every business that wants their website seen online can use chatgpt for their keyword research as long as they understand how important these metrics are.


Using ChatGPT for keyword research is a smart move.

It helps you find the right words to boost your online reach.

Your business can grow with better SEO.

Dive into it and see how ChatGPT can help!

Brendan Aw

Brendan Aw

Founder and Editor-in-Chief at brendanaw.com

Brendan is the Founder and Editor-in-Chief at brendanaw.com, where he helps creators turn their personal blogs into revenue channels while also managing his family's 7-figure traditional business.

Link: brendanaw.com

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