Build LLM from scratch https://www.youtube.com/watch?v=UU1WVnMk4E8
Linear Regression from scratch https://www.youtube.com/watch?v=VmbA0pi2cRQ
Pricing OpenAI https://openai.com/pricing
Langchain4j https://www.youtube.com/watch?v=LIfpKwCig14
springboot API Implementation https://www.youtube.com/watch?v=N5HqaIBT1v0