---
language:
- en
license: apache-2.0
base_model: Qwen/Qwen2.5-1.5B-Instruct
pipeline_tag: text-generation
tags:
- qwen2.5
- query-rewriting
- router
- qlora
---

# Qwen2.5-1.5B Rewriter

This model is a fine-tuned query rewriter built from `Qwen/Qwen2.5-1.5B-Instruct`.

## Task
Convert raw user queries into strict JSON with:
- `canonical_query`
- `rewrite_type`
- `is_multi_candidate`
- `sub_queries`

## Training setup
- Fine-tuning method: QLoRA
- Output style: strict JSON
- Loss mode: completion-only
- Intended use: router query normalization / canonicalization