The answer
By storing the conversation array on the client or database, and sending the historical messages in the chat completion request.
How to Build a Custom Chatbot Using OpenAI API
How does the chatbot remember previous messages?
More FAQs in How to Build a Custom Chatbot Using OpenAI API
As conversation grows, it eventually exceeds the model's context window. You must truncate or summarize older messages.
You must integrate a Retrieval-Augmented Generation (RAG) pipeline to fetch relevant business data.
Yes, by converting files to text or using multimodal models that support image inputs.
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