Gravity Forms OpenAI: Custom Separator for Fine-Tuned Models

gfoai-fine-tuned-sep.php

<?php
/**
 * Gravity Wiz // Gravity Forms OpenAI // Add separator to prompt
 * https://gravitywiz.com/path/to/article/
 *
 * Adds a separator to a prompt if needed by a fine-tuned model.
 *
 * Instructions:
 *  1. Customize $model and $sep accordingly.
 */
add_filter( 'gf_openai_request_body', function ( $body, $endpoint, $feed ) {
	$model = 'ada:ft-personal-2022-12-27-20-25-37';
	$sep   = "\n\n###\n\n";

	// Customize the model accordingly
	if ( $endpoint !== 'completions' || rgars( $feed, 'meta/completions_model' ) !== $model ) {
		return $body;
	}

	// Customize separator accordingly
	$body['prompt'] = $body['prompt'] . $sep;

	return $body;
}, 10, 3 );