{"id":23862,"date":"2025-09-23T13:40:06","date_gmt":"2025-09-23T11:40:06","guid":{"rendered":"https:\/\/onder.nl\/?post_type=diensten&#038;p=23862"},"modified":"2025-12-02T14:12:34","modified_gmt":"2025-12-02T13:12:34","slug":"customgpt","status":"publish","type":"diensten","link":"https:\/\/onder.nl\/en\/diensten\/customgpt\/","title":{"rendered":"CustomGPT"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Table of contents<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"#wat-is-een-custom-gpt\">What is a custom GPT?<\/a><\/li>\n\n\n\n<li><a href=\"#de-voordelen-van-een-custom-gpt\">The advantages of a custom GPT<\/a><\/li>\n\n\n\n<li><a href=\"#samenwerken-met-onder\">Working with Onder<\/a><\/li>\n\n\n\n<li><a href=\"#verschil-tussen-contentgpt-en-customgpt\">Differences custom GPT and content GPT<\/a><\/li>\n\n\n\n<li><a href=\"#faq\">Frequently asked questions<\/a><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"wat-is-een-custom-gpt\">What is a custom GPT?<\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><strong>Save time and effort<\/strong><br>A custom GPT, or tailor-made GPT, is tailored to your specific goals. It builds on OpenAI's powerful language models, which are capable of generating text that is barely onder separable from real human communication.<\/p>\n\n\n\n<p>Further training these models with data relevant to your situation creates a GPT that fits your context perfectly. Think, for instance, of a model that writes convincing marketing texts that precisely appeal to your target audience, generates high-quality product images or analyses complex data sets and translates them into clear KPIs. <\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\r\n<div id=\"tf-image-block_ca25554fed58eaff4cf451d335ed9682\" class=\"block100 tf-image tf-image alignfull tf-image-fullwidth\">\r\n\r\n    \r\n        <img decoding=\"async\" src=\"https:\/\/onder.nl\/site\/uploads\/2025\/09\/chatgpt-configureren.png\" srcset=\"https:\/\/onder.nl\/site\/uploads\/2025\/09\/chatgpt-configureren.png 965w, https:\/\/onder.nl\/site\/uploads\/2025\/09\/chatgpt-configureren-460x410.png 460w, https:\/\/onder.nl\/site\/uploads\/2025\/09\/chatgpt-configureren-768x685.png 768w, https:\/\/onder.nl\/site\/uploads\/2025\/09\/chatgpt-configureren-13x12.png 13w, https:\/\/onder.nl\/site\/uploads\/2025\/09\/chatgpt-configureren-110x98.png 110w\" sizes=\"(max-width: 965px) 100vw, 965px\" alt=\"Interface of a custom GPT\" loading=\"lazy\">\r\n\r\n    \r\n    <div class=\"clearboth\"><\/div>\r\n\r\n<\/div><\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"de-voordelen-van-een-custom-gpt\">The advantages of a custom GPT<\/h2>\n\n\n\n<p><strong>A custom GPT saves you time and ensures consistent communication.<\/strong><br>You reduce repetition and keep your tone of voice the same everywhere.<\/p>\n\n\n\n<p><strong>These are the main features of a custom GPT:<\/strong><\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">\u2699\ufe0f More efficient content production<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Consistent content at scale:<\/strong> generate bulk SEO-optimised texts, such as blogs or product descriptions.<\/li>\n\n\n\n<li><strong>Optimised copywriting:<\/strong> Have your GPT written with attention to CTAs, conversion and a logical structure (H1\/H2\/H3).<\/li>\n\n\n\n<li><strong>Rapid content optimisation:<\/strong> Rewrite existing texts directly according to the latest SEO and Google guidelines.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83c\udf10 Strategic content structure<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Clustering:<\/strong> Build complete content clusters around a main keyword, including FAQs and internal link structures.<\/li>\n\n\n\n<li><strong>Rich snippets &amp; structured data:<\/strong> directly generate AI-SEO snippets in JSON-LD, such as FAQs, products or reviews.<\/li>\n\n\n\n<li><strong>Internal linking strategies:<\/strong> Get smart suggestions for internal links based on onderwerp and keyword clustering.<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading\">\ud83d\udd0d SEO automation and optimisation<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Keyword targeting:<\/strong> Train your GPT to automatically incorporate relevant (long-tail) keywords into texts naturally.<\/li>\n\n\n\n<li><strong>Technical SEO-onder Support:<\/strong> generate or check meta titles, descriptions, alt-texts, structured data and robots.txt.<\/li>\n\n\n\n<li><strong>Local SEO:<\/strong> automatically create location-based landing pages with unique texts per city or region.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udcca Analysis &amp; multilingualism<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Competitive analysis:<\/strong> lets the GPT quickly scan and summarise competitors' structure and content.<\/li>\n\n\n\n<li><strong>Multilingual SEO:<\/strong> use one GPT for multiple languages - perfect for translating and localising content, e.g. from English to Flemish or German.<\/li>\n\n\n\n<li><strong>Customised workflows:<\/strong> build own prompts, such as:<br>\"Analyse this page, provide areas for improvement and rewrite the metadata.\"<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Benefits summarised:<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Advantage<\/th><th>Impact<\/th><\/tr><\/thead><tbody><tr><td>Scalable content<\/td><td>Extremely time-saving<\/td><\/tr><tr><td>Keyword &amp; content strategy<\/td><td>Data-driven &amp; fast<\/td><\/tr><tr><td>Localisation &amp; multilingualism<\/td><td>Growth in new markets and local SEO<\/td><\/tr><tr><td>Automation &amp; consistency<\/td><td>Fewer errors, more output<\/td><\/tr><tr><td>Technical SEO tasks<\/td><td>Technical onder support<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"samenwerken-met-onder\">Working with Onder<\/h2>\n\n\n\n<p>Boring, repetitive work? Get a custom GPT to do it.<\/p>\n\n\n\n<p>We work with you to build a smart AI assistant that writes, thinks and optimises as you would, but faster. From SEO blogs to persuasive emails and multilingual content: your GPT speaks your brand language and works at your pace. And the best part? You keep time for the creative work that really matters.<br><br>Wondering what we can do for you? Together we will drive more traffic to your website!<\/p>\n\n\n\r\n<div id=\"tf-buttons-block_eab4d049c8c8fc9248eab99d32441573\" class=\"block100 tf-buttons tf-buttons alignfull\">\r\n\r\n          <a class=\"btn  btn-turq\"\r\n          href=\"#pagepopup\"\r\n          target=\"\">\r\n           <span>I want to cooperate!<\/span>\r\n       <\/a>\r\n   \r\n    \r\n    <div class=\"clearboth\"><\/div>\r\n\r\n<\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"verschil-tussen-contentgpt-en-customgpt\">Differences Custom GPT and ContentGPT<\/h2>\n\n\n\n<p>A <a href=\"https:\/\/onder.nl\/en\/services\/contentgpt\/\"><strong>ContentGPT <\/strong><\/a>specialises in writing and improving content such as blogs, product texts, social media posts and campaigns.<br>The model aligns with your brand language and SEO goals. This gives you instantly usable texts that are consistent and SEO proof.<\/p>\n\n\n\n<p>A <strong>Custom GPT <\/strong>is built manually using a particular process.<br>You set up the model for processes such as technical SEO, data analysis, competitiveonder search or internal workflows. Thanks to adapted prompts, clear instructions, knowledge (documents), additional data and clear instructions, it fits seamlessly with your organisation's goals.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Aspect<\/strong><\/th><th><strong>Content GPT<\/strong><\/th><th><strong>Custom GPT<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>Target<\/strong><\/td><td>Pure focus on content creation and SEO<\/td><td>Broader use: content, technical SEO, analytics, customer service, etc.<\/td><\/tr><tr><td><strong>Focus area<\/strong><\/td><td>Blogs, product texts, social posts, campaigns<\/td><td>Also technical processes such as meta tags, structured data, internal link structure, clustering and KPI analysis<\/td><\/tr><tr><td><strong>Configuration<\/strong><\/td><td>Aligned with tone of voice, company guidelines and SEO goals<\/td><td>Fully flexible: workflows, prompts, data integration and customisation rules<\/td><\/tr><tr><td><strong>Output<\/strong><\/td><td>SEO-proof, readable and consistent texts in brand style<\/td><td>Depending on the application: content, code, reporting, analysis or automation<\/td><\/tr><tr><td><strong>Advantages<\/strong><\/td><td>Time savings, consistent branding, optimisation for search engines<\/td><td>Extremely scalable, deployable across multiple business processes, data-driven and multilingual<\/td><\/tr><tr><td><strong>Authenticity<\/strong><\/td><td>Controlling AI signals, rewriting for natural appearance<\/td><td>Depending on the setup and use case<\/td><\/tr><tr><td><strong>Suitable for<\/strong><\/td><td>Marketing teams, e-commerce, B2B, content-intensive organisations<\/td><td>Companies looking to use AI more broadly: SEO, data, internal processes, localisation, competitive analysis<\/td><\/tr><tr><td><strong>Example<\/strong><\/td><td>Product texts in the right tone of voice<\/td><td><a href=\"https:\/\/onder.nl\/en\/services\/technical-seo-gpt\/\">Technical SEO GPT<\/a> or GPT for internal knowledge base and reports<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"faq\">Frequently Asked Questions<\/h2>\n\n\n\n<p><strong>What exactly is a custom GPT?<\/strong><br>A <strong>custom GPT<\/strong> is your personalised version of ChatGPT fully tailored to your brand, goals and workflows.<br>You can think of it as an AI assistant trained to write, think and react the way you want.<br>Whether it's blogs, customer service, emails or SEO content: your GPT knows what's important to your business.<br><br><strong>How do I create my own ChatGPT?<\/strong><br>Through the platform of <strong><a href=\"https:\/\/openai.com\/nl-NL\/\" target=\"_blank\" rel=\"noopener\">OpenAI<\/a><\/strong> you can program zonder to build your own GPT.<br>You add instructions (e.g. your tone of voice), define what the GPT needs to know, and choose how it should respond.<br>Within minutes, you have an AI that does exactly what you need it to do.<br><br><strong>How does that work technically?<\/strong><br>A custom GPT runs on the standard GPT model, but with extra layers of instructions and knowledge.<br>You tell the model <em>how<\/em> it should behave and <em>what context<\/em> understand it, possibly with its own documents or data.<br>The result? Answers that really fit your approach, target audience and style.<br><br><strong>What does it get me?<\/strong><br>Time. A lot of time.<br>A well-set custom GPT can save hours of repetitive work per week, think blogs, product texts, emails or SEO optimisations.<br>Plus, you get consistent content in your tone of voice, zonder that you have to brief over and over again.<br><br><strong>Who is this interesting for?<\/strong><br>For anyone who regularly writes texts or processes data.<br>From marketers and content teams to agencies, consultants and e-commerce companies, a custom GPT helps where repetition or scale is important.<br><br><strong>Can a custom GPT also work in multiple languages?<\/strong><br>Sure. You can train a GPT to write or translate in different languages while maintaining style and nuance.<br>Ideal if you work internationally or want local versions of your content.<br><br><strong>What about privacy and data?<\/strong><br>Your data remains your property.<br>The content you add to train your GPT is only used within your own environment and not shared with other users.<br><br><strong>What can you do for me?<\/strong><br>We help you build, train and optimise your custom GPT.<br>We tailor the model to your brand, workflows and goals so you work faster, zonder lose quality.<br>In short: less manual work, more results.<\/p>\n\n\n\r\n<div id=\"tf-buttons-block_9f706d7ff3673d7806d10c32788c8c91\" class=\"block100 tf-buttons tf-buttons alignfull\">\r\n\r\n          <a class=\"btn  btn-turq\"\r\n          href=\"#pagepopup\"\r\n          target=\"\">\r\n           <span>Help me with custom GPTs<\/span>\r\n       <\/a>\r\n   \r\n    \r\n    <div class=\"clearboth\"><\/div>\r\n\r\n<\/div>\n\n\n<p><\/p>","protected":false},"author":38,"featured_media":24009,"template":"","class_list":["post-23862","diensten","type-diensten","status-publish","has-post-thumbnail","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/onder.nl\/en\/wp-json\/wp\/v2\/diensten\/23862","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/onder.nl\/en\/wp-json\/wp\/v2\/diensten"}],"about":[{"href":"https:\/\/onder.nl\/en\/wp-json\/wp\/v2\/types\/diensten"}],"author":[{"embeddable":true,"href":"https:\/\/onder.nl\/en\/wp-json\/wp\/v2\/users\/38"}],"version-history":[{"count":1,"href":"https:\/\/onder.nl\/en\/wp-json\/wp\/v2\/diensten\/23862\/revisions"}],"predecessor-version":[{"id":24657,"href":"https:\/\/onder.nl\/en\/wp-json\/wp\/v2\/diensten\/23862\/revisions\/24657"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/onder.nl\/en\/wp-json\/wp\/v2\/media\/24009"}],"wp:attachment":[{"href":"https:\/\/onder.nl\/en\/wp-json\/wp\/v2\/media?parent=23862"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}