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Dharma AI Previews VocabX Vocabulary Specialization, Reporting 77% Lower Inference Cost

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Dharma AI previewed VocabX, a vocabulary adaptation method that it said reduced measured inference cost by 77.0% in a Portuguese essay grader built on Qwen3-4B. The results come from a paper still under review and may change before publication. VocabX specializes vocabulary around the cost of each token rather than its frequency. Dharma AI reported that, with the same base model, data and training recipe, average responses shortened from 350 to 101 tokens while the benchmark score rose from 0.703 to 0.810. Those measurements apply to its Portuguese essay grader.

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Latest development10/22 01:35 (UTC+8)
How Specializing SLM Vocabulary Cut Measured Inference Cost by 77% With VocabXHugging Face Blog

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10/22
  1. Hugging Face BlogPicks
    How Specializing SLM Vocabulary Cut Measured Inference Cost by 77% With VocabX

    Dharma AI previews VocabX, a cost-weighted vocabulary adaptation method that cut measured inference cost by 77.0% in its Portuguese essay grader built on Qwen3-4B. With the same base model, data and training recipe, average responses shrank from 350 to 101 tokens and the bench score rose from 0.703 to 0.810. The results come from a paper still under review and may change before publication.

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