Custom GPT Mastery: Learn To Build Your Custom GPTs (2026)

Learn to build your first custom GPT from scratch, explore the GPT store, start chats, and tailor prompts to create specialized assistants like a coloring book generator.

Learn to build your first custom GPT from scratch using the beginner-friendly create method, with step-by-step prompts, testing in the preview pane, and iterative instruction adjustments for professional sticker designs.

Learn an advanced method to build a custom GPT using the configure tab, defining name, description, instructions, and conversation starters for a tailored assistant.

Complete a hands-on exercise to build your own custom GPT from scratch using one of two methods, test it on 1–2 tasks, and share it in our community.

Create AI-powered forms in seconds with JotForm that integrates with ChatGPT, then automate outreach with Zapier by sending emails from Google Sheets submissions.

Upload documents to the knowledge tab to enrich your custom GPT with private knowledge. Learn supported formats, file limits, and best practices to build focused GPTs that reference uploaded content.

Learn to generate professional images, logos, infographics, and social media visuals with your custom GPT, using image generation tools to create LinkedIn posts, YouTube thumbnails, and book covers.

Explore code interpreter and data analysis in custom gpts, enabling python code execution, csv/excel/json analysis, charts, and data cleaning to generate insights and export results.

Build custom actions for your GPT and connect to thousands of apps with Zapier actions, including calendar and Gmail. Learn step-by-step setup, permission prompts, and secure execution of actions.

Master three ways to set up and publish a privacy policy for your custom GPTs, including two website-free approaches and ChatGPT-generated policies.

Expand your custom GPT by linking actions across platforms like Gmail, enabling find email, reply, and create draft, and discover how AI actions automate inbox tasks.

Explore AI actions in your custom GPT workflow to automate daily tasks, export a five cat breed table to Google Sheets, and troubleshoot configuration to save time and boost productivity.

Learn how to export generated text to Google Docs with one click by enabling actions, creating documents from text or templates, and saving time on articles or product descriptions.

Learn to customize your builder profile by updating the GPT name and domain, verify ownership with DNS records, and connect a website domain to a custom GPT.

Increase privacy for your custom GPT by disabling conversational data from being used to improve OpenAI models, after uploading your knowledge and adjusting the settings.

Build a functional custom GPT chatbot for your website by combining files, links, and Q&A data, testing in a playground, and embedding via script or iframe, with optional WordPress plugin.

Explore ChatGPT projects to organize charts, files, and instructions into a centralized workspace that preserves context across conversations. Note personal use, file limits, and deletion implications.

Compare ChatGPT projects and custom GPTs, showing how projects organize files and instructions into digital folders, while custom GPTs modify system prompts and enable API calls.

Discover how to create images with the ChatGPT image generation model inside ChatGPT, using prompts or the create an image tool, and connect it to other apps via API reference.

This section introduces AI actions and how to connect your custom GPT to apps with third-party tools. It highlights zero-code setup and creating schemas for custom actions.

Discover how AI actions connect ChatGPT to external tools and data via APIs, enabling tasks like publishing, emailing, and automating workflows with a custom GPT.

Create a stock market expert GPT with real-time data and custom actions, delivering token prices, daily highs, lows, and percentage changes, plus investing insights via api-driven schemas.

Transform your API key into a schema for a custom GPT with relevance AI, following a step-by-step tool setup. Test with stock data and save the tool.

Relevance AI's new update changes the interface, but tool creation remains the same: log in, go to left tools, click new, and enter the tool name and description.

Set up and generate the open API schema for your custom GPT action, configure the authentication token, and test real-time stock data tools to empower investor advisory capabilities.

Explore three steps to set up custom ai actions: find the right api key, transform it into a schema, and provide and test the schema in custom gpt actions.

Apply your knowledge by building custom actions for GPTs, choosing between schema from your API key with relevance AI or using ActionScript, illustrated with a Pokemon finder.

Explore custom actions by building several custom gpts for weather forecasts, barcode scanning, and book searches, then analyze and visualize the schema to identify key components without coding.

Create your custom GPT with custom actions using the Open Food Facts API. Scan barcodes to fetch product data, including name, brand, ingredients, nutritional information, nutri-score, categories, origin, and packaging.

Learn to visualize and simplify an API schema with Swagger Editor, test the get method using a barcode, and extract product data such as name, ingredients, and nutrients.

Learn to build custom GPT actions using the Open Library API to search books by title, author, or ISBN, explore endpoints with Swagger Editor, and handle large responses.

Create a custom GPT to access weather data with Open-Meteo API, fetch hourly and multi-day forecasts for Krakow, Poland and Miami, Florida, and retrieve humidity, temperature, wind, and air quality.

Discover how to access 90 plus AI tools in one low-cost platform, learn to set up your account, write effective prompts, run any model, and manage multiple projects.

Learn to generate and edit ai videos with top video models in syntax.ai, using cloth models, prompt engineering, and token-conscious cost optimization for 1080p to 4k outputs.

Use our custom GPT to translate documents, such as a Word file, from polish to english, creating a downloadable translated file and switching target languages as needed.

Upload images and ask your GPT questions about what you see. Learn how it reads from visuals and rewrites exact text from the picture, such as a soccer trick.

Connect ChatGPT with over 7000 apps via Zapier to automate project management with a custom GPT, uploading external knowledge files to handle tasks, emails, data, contacts, meetings, and onboarding.

Learn what Zapier is and how it works with a custom GPT to automate tasks using triggers, actions, delays, and zaps across apps, with company data guiding email responses.

Build your first automation with Zapier to power email responses using a custom GPT copywriter, triggered by new Gmail threads, with a delay and automated replies sent via Gmail.

Explore ChatGPT API pricing and token concepts in Zapier integrations. Learn how max tokens and budgets shape costs with practical token examples.

Build AI-powered social media automation that posts to Facebook, LinkedIn, Pinterest, and more using ChatGPT data extraction, SEO optimization, and a custom GPT SEO expert.

Design and deploy an ai powered crm with Zapier and a custom GPT sales manager to classify leads, automate email drafts, update Google Sheets, and alert the team via Slack.

Create a fully functional messenger chatbot for your Facebook page that remembers the entire conversation and uses a trained assistant and uploaded files to respond to customers.

Build an advanced role-based onboarding system with Zapier, combining Google Sheets, ChatGPT classification, file sharing, Gmail, Slack, Asana task creation, and calendar scheduling across technical and non-technical paths.

Create a complex customer feedback system with Zapier, using three specialized GPTs to classify sentiment from Google forms, route responses, and notify teams via Gmail and Slack.

Build a five-step automation that triggers on new asana tasks, uses gpt-powered assistants to select the best employee by email, generate task insights, update the task, and notify via slack.

Create an advanced ai-powered email response system using Zapier, Google Docs, ChatGPT, and Notion. Classify emails, fetch documents, generate responses, save to Notion, and notify the team via Slack.

Explore three time-saving AI automations for 2025, including data storage with Google Forms and Notion, an AI email responder, and social media posting to Facebook and LinkedIn.

Learn to build a customer feedback automation in Zapier using Notion databases, with three paths for negative, neutral, and positive feedback, including emails, Slack alerts, Asana tasks, and deadline formatting.

Build a sophisticated content idea automation using Zapier, Google Forms, and AI to generate ideas and route them to Notion databases, with tasks in Asana and drafts via ChatGPT.

Discover the top 5 ChatGPT use cases in 2025, from voice-enabled assistants and customized charts to writing help, business strategy, and automated customer service systems.

Generate realistic images with ChatGPT image generation, using prompts to shape scenes and text, and edit results with re-prompts and masking.

Discover eight practical use cases for chatgpt's image generator, from text-on-images and realistic visuals to product ads, stickers, pokemon cards, social media visuals, and book covers.

Learn to craft professional merch designs with the ChatGPT image generation tool, creating book covers, packaging, stickers, and tote bags from prompts.

Explore a wide range of ChatGPT image generator use cases, from realistic portraits to posters, website UI mockups, and stylized scenes, showcasing how prompts unlock unique visuals.

Learn to enable and manage ChatGPT's memory feature, personalize responses by saving preferred information, delete memories, and train the model to remember style and key details using the remember prompt.

Explore OpenAI's free mini models, including three reasoning modes, compare performance across math, science, and coding tasks, and test structure and speed with real examples.

Explore how to use ChatGPT's advanced voice tool to converse in real time, with natural tone, multilingual support, and dynamic tone adjustments.

Explore the new ChatGPT canvas feature to edit text and code in one interface, collaborate with ChatGPT, and use inline feedback, code review, and shortcuts to refine your projects.

Discover ChatGPT-4o's capabilities and how it differs from GPT-4, including faster responses, more precise answers, and natural, catchy text. Learn to switch versions and apply these insights to custom GPTs.

Explore the ChatGPT o1 model, a revolutionary tool that outperforms GPT-4 in math and programming with chain-of-thought reasoning. Learn its limitations, including weekly query limits and slower response times.