inputExtension represents a set of optional pre-processing integrations.
maxTokens represents the max number of tokens to return.
model represents the model to use.
inputExtension represents a set of optional post-processing integrations.
prompt represents the prompt to process.
temperature represents the randomness in GPT's output.
topK represents the variability of the generated text.
topP represents the diversity of the generated text.
CompletionInput represents the full potential input options for completion.