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polyglot-tutor-cefr-onnx
blizzarman/polyglot-tutor-cefr-onnx
polyglot-tutor-cefr-onnx is a text classification model from blizzarman. Use it when you need a label for a piece of text. The card lists the license as cc-by-nc-sa-4.0.
XLM-R-base fine-tuned on UniversalCEFR English reference subsets (cambridgeexams, elgcefr, cefrsp, readme), exported to ONNX with dynamic int8 quantization for CPU inference. Document-level evaluation (chunk + expecte…
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Updated Jun 12, 2026
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At a glance
- Task
- Text Classification
- License
- cc-by-nc-sa-4.0
- Access
- Public
- Created
- Jun 12, 2026
- Updated
- Jun 12, 2026
- SHA
- 0c654928
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Base models
Model card
From the Hugging Face model README
Polyglot Tutor — CEFR text classifier (ONNX int8)
XLM-R-base fine-tuned on UniversalCEFR English reference subsets (cambridge_exams, elg_cefr, cefr_sp, readme), exported to ONNX with dynamic int8 quantization for CPU inference. Document-level evaluation (chunk + expected-rank aggregation): macro-F1 0.798, QWK 0.936, adjacent accuracy 0.990 on 99 held-out documents. Full methodology, audits and caveats: https://github.com/arthur-diaz/polyglot-tutor (docs/evals/m1_classifier_report.md).
License is inherited from the training corpora (CC BY-NC-SA 4.0, non-commercial). Please cite the UniversalCEFR collection and the original corpus papers if you use this model.
- Task
- Text Classification
- License
- cc-by-nc-sa-4.0
- Created
- Jun 12, 2026
- Updated
- Jun 12, 2026