A fine-tuned Qwen3-1.7B served as a retrieval module. Recommends students 6th-8th grade level math problems, optimized for landing questions in an individual student’s zone of proximal development.
| Model | Recall@16 / Hit-Rate@16 |
|---|---|
| Qwen-QRec | 95.7% |
| Claude-Opus-4.8 | 16.7% |
| GPT-5.6-Sol | ~20% |