Text classification task guide
[OPTForSequenceClassification] is supported by this example script and notebook.

[OPTForQuestionAnswering] is supported by this question answering example script and notebook.
Question answering chapter
  of the 🤗 Hugging Face Course.

⚡️ Inference

A blog post on How 🤗 Accelerate runs very large models thanks to PyTorch with OPT.