In traditional SEO, hreflang tags were the holy grail of internationalization. They told Google: “This page is for French speakers in Canada.” But in a world where AI models are inherently polyglot, does this tag still matter?

The Polyglot LLM

Models like GPT-4 and Gemini are trained on multilingual datasets. They can seamlessly translate between English, Japanese, and Swahili. If a user asks a question in Spanish, the model can retrieve an English source, translate the facts, and generate a Spanish answer.