I fine-tuned OpenAI model with some prompts following this documentation it succeeded and created a new model in the playground. How I can retrain (fine-tune) that same model with new prompts?
This is what I found out on Open AI Documentation
If you have already fine-tuned a model for your task and now have additional training data that you would like to incorporate, you can continue fine-tuning from the model. This creates a model that has learned from all of the training data without having to re-train from scratch.
i.e you can't train the already existing trained model again.