Above and beyond!! Appreciate it! 🙏 I have written whole roadmap too. Hope it helps:

Create Your Own ChatGPT-like Tool in 2023: The Ultimate Step-by-Step Roadmap to AI Mastery

https://asadravian.medium.com/create-your-own-chatgpt-like-tool-in-2023-the-ultimate-step-by-step-roadmap-to-ai-mastery-327e61127912