Author

Arvin Bahreini

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Preprint Sep 2026

Is the Judge Its Twin? Post-training makes a model's writing more predictable but barely moves its taste, as a judge, toward predictable writing

Language models now routinely grade other language models. If post-training makes a model's writing more predictable, it may also teach the same model, as a judge, to reward predictable writing. We test this directly. We follow two open 7-billion-parameter model families, OLMo-2 and Zephyr, from their base models throu...

Arman Nik Khah, Arvin Bahreini · 0 citations

#data science Review Open access Oct 2026

Current Advances in Imaging Diagnosis of Bacterial Infectious Diseases: From Structural to Nano Imaging Modalities

Infectious diseases significantly contribute to mortality and pose a growing public health challenge. Early diagnosis and treatment of acute bacterial infections are critical but often hindered by delayed or inadequate treatment. Rapid and accurate diagnostic tools are essential to manage such infections effectively. D...

Arvin Bahreini, Alie Ametova, Nafisa Ganieva et al. · Biomedicines · 1 citation

#machine learning Sep 2026

The Judge Is Not Its Twin: Post-training makes a model's writing more predictable but barely moves its taste, as a judge, toward predictable writing

Language models are now routinely graded by other language models. If post-training makes a model's own writing more predictable, it may also teach the same model, acting as a judge, to reward predictable writing, so that progress on creativity would be invisible to automated evaluation. We follow two open model famili...

Arman Nik Khah, Arvin Bahreini · arXiv.org · 0 citations