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English vs Banglish vs Bangla: what does a sentence cost?

Five square cards for Facebook, Instagram or LinkedIn. The numbers are measured with the real tokenizers, not estimated. Download them, post them, and send people to the free counter.

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The same sentence, three ways. On GPT-4o’s tokenizer Bangla script needs about 1.4× the tokens of English, and Banglish (Bangla in Latin letters) about 1.6×. More tokens means a higher API bill and slower answers. Count your own text: https://computebd.com/tools/bangla-token-counter/

The measured numbers

SampleEnglishBanglishBangla
Customer support30 / 3047 / 5141 / 164
News26 / 2648 / 5438 / 164
Farming advice32 / 3249 / 5442 / 166

Each cell: tokens with GPT-4o’s tokenizer (o200k) / GPT-4’s (cl100k).

How to read it: the samples are short, everyday messages we wrote ourselves (a delivery update, a news line, farming advice), with the Banglish version written the way people type in chats. Costs on the cards assume an illustrative $1 per million tokens, ৳124 per dollar and 10,000 messages; real prices differ by provider and by input and output. Other models (Llama, Qwen, Gemini, Claude) use different tokenizers, so their counts differ — paste your own text into the counter to see yours.