What is chat GPT?
— Chat GPT is a language model that can answer questions, summarize documents, and engage in interactive dialogues by retaining and using context from earlier exchanges.
How are language models trained?
— Language models are trained through generative pre-training, supervised fine-tuning, and reinforcement learning from human feedback, with the model being fine-tuned in each step based on the results of the previous stage.
What are the limitations of language models?
— Language models have a misalignment between the language modeling objective and the downstream task that the model developers or end users want the model to perform.
How do developers minimize violations of subjective preferences in language models?
— Developers minimize violations of subjective preferences in language models by fine-tuning them with supervised learning using conversations between human contractors playing both sides.
What is the impact of fine-tuning on model performance?
— Fine-tuning steps of supervised and reinforcement learning have a dramatic effect on the model's performance for instruct GPT, but there is still room for improvement in accuracy and behavior.
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