Function normalizeModelName

packages/llms/src/utils.ts:142–157

* check if a given model ID fits a specific model name * * @note * Different model providers may use different model IDs for the same model. * For example, openai's `gpt-5.2` may called: * * - `gpt-5.2-version` * - `gpt-5_2-date` * - `GPT-52-version-date` * - `openai/gpt-5.2-chat` * * The

(modelName: string)

 * Normalize them to `gpt-52`
 */
function normalizeModelName(modelName: string): string {
	let normalizedName = modelName.toLowerCase()

	// remove prefix before '/'
	if (normalizedName.includes('/')) {
		normalizedName = normalizedName.split('/')[1]
	}

	// remove '_'
	normalizedName = normalizedName.replace(/_/g, '')

	// remove '.'
	normalizedName = normalizedName.replace(/\./g, '')

	return normalizedName
}