Confirmed. CLEAR published its tokenizer-tax study on clear-languages.org reporting gaps up to about 17× across ~200 languages; DailyCited lists that post as Official on the Nov 2 brief.
Unconfirmed → Confirmed
CLEAR (Coalition for Language Equity in AI Research) reports that mainstream tokenizers optimize for English and high-resource languages, so the same sentence can cost far more tokens elsewhere (example cited: 13 vs 26 vs 78 tokens across English/Malayalam/Amharic), with gaps up to about 17× across ~200 languages. Primary CLEAR blog post was opened for this run.
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