A Diagnostic Evaluation of Small Language Models for Offline Writing-Feedback Tutoring in Brazilian Portuguese: A Study on Structural and Pedagogical Adherence under Public-School Infrastructure Constraints
Diagnostic benchmark of eight open Small Language Models (≤3.8B parameters) for writing-feedback tutoring in Brazilian Portuguese, evaluated strictly offline on CPU against a metalinguistic rubric derived from Koch's Textual Linguistics. Includes a four-isolation falsification protocol on the Llama 3.2 family, supporte...