How to Create AI Assistants Using OpenAI API | Build Custom ChatGPT Assistants with RAG Assistant

How to Create AI Assistants Using OpenAI API | Build Custom ChatGPT Assistants with RAG Assistant Chrome Extension

In this video, you will learn how to create your own AI assistants using OpenAI API with the powerful RAG Assistant Chrome Extension. This complete step-by-step tutorial shows how to build custom ChatGPT assistants, configure OpenAI API keys, use quick actions, and deploy AI assistants directly inside your browser for real-world use cases like Upwork proposal writing, content generation, and productivity automation.

If you are using ChatGPT, OpenAI GPT-4, GPT-4o, or other OpenAI models, this video will help you turn them into fully customized AI assistants without coding. You will see how to install the RAG Assistant – AI Chat with Multiple Models extension from the Chrome Web Store, connect your OpenAI API key, and start creating unlimited AI assistants tailored to your workflow.

This tutorial covers how to create an Upwork Proposal Writer AI assistant using OpenAI, but the same method works for Freelancer proposals, Fiverr gigs, email writing, research assistants, coding assistants, marketing assistants, and more. You’ll understand how system prompts, quick action prompts, and temperature settings work together to control AI behavior and response style.

You’ll also learn the three different ways to chat with your AI assistant: directly from the sidebar on any website, through text selection on a web page, or inside a full dedicated chat window. This makes RAG Assistant one of the most flexible browser-based AI assistant tools available.

This video is perfect for freelancers, developers, marketers, researchers, students, and automation enthusiasts who want to build personal AI assistants using OpenAI API without complex setup. No coding skills are required. Everything works directly inside Chrome with a clean and intuitive interface.

By the end of this video, you will know how to:
• Install the RAG Assistant Chrome extension
• Add and securely save your OpenAI API key
• Create custom AI assistants using ChatGPT and GPT-4 models
• Design system prompts for specific tasks like proposal writing
• Use quick actions to control AI output instantly
• Generate Upwork proposals directly from job pages
• Chat with AI assistants from sidebar, selection popup, or full chat
• Build unlimited AI assistants for different use cases

If you want to build AI assistants with OpenAI, create ChatGPT agents, automate freelancing workflows, or use GPT models inside your browser, this video is exactly for you. In the next video, you’ll also learn how to create Google Gemini AI assistants and hybrid assistants with web search and knowledge bases.

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