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<p>Fine-tuning can be combined with a <a href="page.php?w=reinforcement_learning_from_human_feedback">reinforcement learning from human feedback</a>-based <a href="page.php?w=loss_function">objective</a> to produce language models such as <a href="page.php?w=ChatGPT">ChatGPT</a> (a fine-tuned version of <a href="page.php?w=Generative_pre-trained_transformer">GPT models</a>) and <a href="page.php?w=Sparrow_%28bot%29">Sparrow</a>.</p>

<p><big> Robustness </big></p>
<p>Fine-tuning can degrade a model's robustness to <a href="page.php?w=Domain_adaptation">distribution shifts</a>.</p><p>
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