Study: non-English languages can consume far more AI tokens, with the most expensive using 1.5x-5x more than the cheapest, resulting in a "tokenizer tax" (Ananya Bhattacharya/Rest of World)

A study found that non-English languages can consume far more AI tokens, with the most expensive using 1.5x-5x more than the cheapest, resulting in a "tokenizer tax" that raises costs and reduces context for users of those languages.