Google Bard has a similar feature, and you can ask the OpenAI API to generate multiple completions and pick the best one (best_of) or return some number of the

Google Bard has a similar feature, and you can ask the OpenAI API to generate multiple completions and pick the best one (best_of) or return some number of the generated completions (n). In OpenAI's case, best of means "the one with the highest log probability per token".