wp-includes/php-ai-client/src/Builders/PromptBuilder.php:453Sets the frequency penalty for generation.
$frequencyPenaltyfloatself public function usingFrequencyPenalty(float $frequencyPenalty): self { $this->modelConfig->setFrequencyPenalty($frequencyPenalty); return $this; }Introduced in 0.1.0. Unchanged from 7.0.4 through 7.1.0.
Signature, return type and hooks compared across 2 parsed releases.
src/wp-includes/php-ai-client/src/Builders/PromptBuilder.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.