The same fixed corpus counted by the token counters of 13 Claude, 11 Gemini and 2 Cohere models plus offline OpenAI counts, with the ratio between versions. Claude Opus 4.6 to 4.7: English prose +33.3%, Russian, Chinese and Arabic 0%.
Download the file or read the study for its structure; both are linked above.
Released under CC BY 4.0. You may use it commercially and redistribute it. Attribution is the only condition.
Couey, V. W. (2026). AI Tokenizer Inflation Ledger 2026: The Same Text, Counted by Every Model Version We Can Reach. Deep Synthesis. https://doi.org/10.5281/zenodo.23730116
Found an error, need a different cut of this data, or citing it in something? vincent@deepsynthesis.org. Corrections are made against the published file and the DOI is versioned, so a fix is traceable rather than silent.
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